Filtrete 20-in W x 20-in L x 1-in MERV 5 Basic Pleated Air Filter (3-Pack) The Filtrete 20x20x1 Basic Air Filter, made by 3M, helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment. Use a 3-month pleated 1-inch home air filter in your furnace, air conditioner or HVAC system.The returned filters must be in the original, unused condition and should not be damaged. In case you have received damaged filters and to request a return …Jan 17, 2022 · A furnace filter is designed to trap airborne particles found floating in home heating and cooling air return duct. The heat exchange process inside the heating system pulls air into the filter, trapping various types of debris, mold spores, pet dander, and more -- large particles stick on surfaces while smaller ones are trapped deeper in the ... The 190RF series is a Return Air Filter Grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our return air filter grille to outfit your ventilation system will improve your home circulation. Product Features: Durable white …A return air grill will cover such ducts, and can also act to regulate the flow of air. They also act to close off the ducts from view. A return air grill also has a filter mounted on it to trap particulate matter and thus ensure that the recirculated air is more pure. This can also in the long run reduce the amount of cleaning required … Depending on where the air handler filter is and how it’s accessed, this may be more difficult to change than return vent filters. Air handler filters prevent particles found in the HVAC system airstream from being blown out and into your home. Thicker filters last longer. Look for ones with MERV ratings around 12. The EA290 24X24 is a 24 in. x 24 in. aluminum fixed bar return air filter grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our aluminum fixed bar return air filter grille to outfit your ventilation system will improve your home air circulation.20" X 30" Steel Return Air Filter Grille for 1" Filter - Easy Plastic Tabs for Removable Face/Door - HVAC DUCT COVER - Flat Stamped Face -White [Outer Dimensions: 21.75w X 31.75h] Visit the HVAC Premium Store. 4.5 4.5 out …The Ford F-150 cabin air filter is located behind the glove compartment inside the truck. The glove box must be removed from its location in order to access the filter. There are t...Hover Image to Zoom. $ 15 20. Allows maximum airflow to maintain optimum ventilation. High-quality steel construction offers strength and durability. White powder coat finish imparts resistance against rust. View More Details. Color: …20x30x5 Return Grille Filter - Honeywell FC40R1029 pleated air filters are at least 20 times more efficient than fiberglass filters. Filter frames are made of beverage board, which stays strong through humidity and temperatures up to 200° F. Synthetic media provides significantly higher particulate efficiency than standard cotton media. The EA290 24X24 is a 24 in. x 24 in. aluminum fixed bar return air filter grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our aluminum fixed bar return air filter grille to outfit your ventilation system will improve your home air circulation. 18 Oct 2010 ... Return Grille Filters are long-life replacement for return grille applications. These upgrades capture a significant amount of the airborne ...Specifications. Description: 20X30 Return Grill Media Air Filter. Application: Return Grill. Dimensions: 20 in. x 30 in. Airflow Max.-Capacity (cfm): 1800 cfm. Efficiency Standard: Efficiency ratings are based on American Society of Heating, Refrigerating and Air-Conditioning Engineers Standard 52.2-1999. Fractional efficiency: … The EA290 24X24 is a 24 in. x 24 in. aluminum fixed bar return air filter grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our aluminum fixed bar return air filter grille to outfit your ventilation system will improve your home air circulation. Original Factory Replacement FC40R1011 20" x 25" x 5" (actual size 19 3/4" X 24 3/4" X 4 3/8" MERV 10 Replaces older Honeywell model number F35R. The FC40R Return Grille Filter is a high-efficiency, long-life replacement for return grille applications. It captures a significant amount of the airborne particles in the air that circulate through ...Aug 10, 2020 · Step 2: Remove The Used Filter. Unscrew the vent using the screwdriver, usually flat head, so that you can access the used filter. Simply remove the old filter and toss it in the garbage. Make sure you pay attention to exactly how it was in there so you can replace the new one in the same way. P8 & P11 – Panel Filters. 8mm and 10mm Flat Panel Washable Filters to suit Return Air Grilles. Usually rated as G3 efficiency. Sizes are made to order to suit requirements. Lightweight Aluminium frame. Electrostatic media available on request. Suitable for most commercial and residential applications.Steel Return Air Filter Grille for Sidewall and Ceiling [Duct Opening Size] Vent Cover Return Air for 1-inch Filters | Vent Cover Grill, White (Duct Opening Sizez:14inch X 30inch) 4.3 out of 5 stars. 14. $61.99 $ 61. 99. FREE delivery Mon, Feb 5 . Only 1 left in stock - …The oil filter gets contaminants out of engine oil so the oil can keep the engine clean, according to Mobil. Contaminants in unfiltered oil can develop into hard particles that dam...Highlights. Allows air to flow freely between your ventilation system and a room. Made of high quality steel. White powder coat finish. Removable face allows easy access to replace air filter. Listed size is duct opening measurement. Width x height. Do not measure outside of the grille. Accepts a 1 in. filter.Items 1 - 100 of 113 ... AirGuide RF-2FS 20x12 Return Air Filter Grille WHITE Screw Holes in Face! NO Screw Holes IN NECK of Unit. AirGuide Manufacturing, LLC. Highlights. Allows air to flow freely between your ventilation system and a room. Made of high quality steel. White powder coat finish. Removable face allows easy access to replace air filter. Listed size is duct opening measurement. Width x height. Do not measure outside of the grille. Accepts a 1 in. filter. 20 in. x 20 in. (Takes 2 in. Thick Filter) Square Return Air Filter Grille of Steel in White. For use as return air grille in heating, cooling and ventilating applications. Installed on sidewall or ceiling. Accepts 2 in. nominal thick filter. The white color coordinates with most backgrounds and can be easily painted over.Jan 31, 2022 · Why a central return is better. One reason to go with a central return is that you’ll end up with less ductwork. Shorter ducts on the return side can mean less resistance to air flow. It’s certainly possible to do low-resistance dedicated returns, but it’s generally easier with central returns. HVAC. Change Your Home Air Filters for Better Air Quality. Published May 25, 2022. By Jimmy Graham. Changing your home’s air filters is …... air conditioning, heating or ventilation. AirClean Filters™ are 25mm nominal thickness and are designed to easily slide into existing and new return air grilles ...The rule of thumb for return air filters and filter grille pressure drop is that ideally it should not exceed 25% of the rated maximum total external static pressure of the system fan. Here’s how to determine that number. First, go to the air handler nameplate. Read it until you find the Maximum Total External Static Pressure.The EA290 24X24 is a 24 in. x 24 in. aluminum fixed bar return air filter grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our aluminum fixed bar return air filter grille to outfit your ventilation system will improve your home air circulation.Whole House Electronic Air Cleaners are typically Return Air Duct or Return Air Filter Grille installed. 24 Volt Electronic Air Cleaners use less power and save energy over 120 Volt models. They are also easier to install, saving money on installation. TRION HE Plus Electronic Air Cleaners | 1400 and 2000 CFM | 24 Volt Furnace Types and Filter ...The EA290 24X24 is a 24 in. x 24 in. aluminum fixed bar return air filter grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our aluminum fixed bar return air filter grille to outfit your ventilation system will improve your home air circulation. The H190 25 x 20 is a 25 in. x 20 in. return air filter grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our return air filter grille to outfit your ventilation system will improve your home air circulation. If your air handler does not have a filter rack in the unit, then you need to use a return vent filter. If your air handler has a filter at the unit, then you do not need to use a return vent filter. There are plenty of advantages of return vent filters. Here are some of them: 1. The first line of defense– Return vent filters … See more20 x 25 in. Measure the current filter’s length and width to determine the size needed. Thickness varies from 1 inch to 5 inches. Filters should list a MERV rating, a number that denotes filter effectiveness at capturing 0.3 to 10 micron particles. MERV ratings range from 1 to 16.The EZ-FLO Return Air Filter Grille is designed for wall or ceiling openings on central air system plenums for mounting an air filter. It is made of heavy-duty steel with a white powder-coated finish that …23 Feb 2017 ... HVAC - Return Air and Filters http://www.cteskills.com Having the return air sized properly is very important in getting the correct static ...The 190RF series is a Return Air Filter Grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our return air filter grille to outfit your ventilation system will improve your home circulation. Product Features: Durable white powder coated, High quality …Air Filters. BUY TWO HDX™ 1" AIR FILTERS, GET TWO FREE. Must Have Four of the Same Filters in Cart to Receive Discount. Shop Now. 2 / 2. Shop Clear … The EA290 24X24 is a 24 in. x 24 in. aluminum fixed bar return air filter grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our aluminum fixed bar return air filter grille to outfit your ventilation system will improve your home air circulation. Steel Return Air Filter Grille for Sidewall and Ceiling [Duct Opening Size] Vent Cover Return Air for 1-inch Filters | Vent Cover Grill, White (Duct Opening Sizez:20inchX 20inch) 4.3 out of 5 stars. 17. 50+ bought in past month. $47.99 $ 47. 99. FREE delivery Tue, Mar 19 .Mar 4, 2015 · The process for changing standard disposable filters is fairly straightforward and involves just a few steps: Locate your air filter. Air filters are typically located in your system’s return air vent, which might be on the ceiling, wall or on the side of your furnace or air handler. Your air filter might also be housed inside the unit. The main purpose of a return air vent is to suck the air in your home back into the HVAC components. This is pretty much recycling the air in your home. Once it is heated, or “conditioned”, the air goes back in your home’s living space via duct work that ends at the supply vents. For example, in the winter you kick on your furnace.The EZ-FLO Return Air Filter Grille is designed for wall or ceiling openings on central air system plenums for mounting an air filter. It is made of heavy-duty steel with a white powder-coated finish that resists flaking and rust for a longer-lasting performance. It fits a rough duct opening 16 inches wide by 25 inches long.The oil filter gets contaminants out of engine oil so the oil can keep the engine clean, according to Mobil. Contaminants in unfiltered oil can develop into hard particles that dam...The EA290 24X24 is a 24 in. x 24 in. aluminum fixed bar return air filter grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our aluminum fixed bar return air filter grille to outfit your ventilation system will improve your home air circulation.These Honeywell Home High-Performance Return Grille Filters from Resideo help trap airborne dust, pollen, mold spores, bacteria and other allergens that pass through your HVAC system. They also last up to three times longer than standard one-inch filters, which mean less maintenance for improved indoor air quality. …When air filter sizes are essential to air filter function, you need to get the dimensions right. Learn about the common (and) uncommon sizes available here. ... These sizes reflect the most common sizes of return air vents that push or pull air into your HVAC system: 20 x 20 x 1; 16 x 25 x 1; 20 x 25 x 1; 20 x 25 x 4; 16 x 20 x 1; 16 x 25 x 4 ...Highlights. Allows air to flow freely between your ventilation system and a room. Steel construction. White powder coat finish. 50° angled to provide maximum airflow. 1/2 in. blade spacing. Duct opening measurement: 16 in. x 8 in. (width x height) Return Policy.AirScape Return Air Filter Box With Grille. AirScape extra large return air filter box with grille. 5 square feet face area for a low pressure drop. Specifications: - 2 qty. 18"x20"x2" filters (undercut) - 5 square feet filter face area - 20" round duct connection - Ships with MERV13 filters (other grades available) - Requires a 22.5" x26.5 ... The H190 25 x 20 is a 25 in. x 20 in. return air filter grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our return air filter grille to outfit your ventilation system will improve your home air circulation. . The 190RF series is a Return Air Filter Grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our return air filter grille to outfit your ventilation system will improve your home circulation. Product Features: Durable white …Return ducts help maintain a comfortable temperature in a building and cycle air through a filter, which helps remove contaminants, dust, and allergens from the air, and promotes better health and air quality. ... Return air ducts are required to circulate air effectively throughout a building. You should have at least …Steel Return Air Filter Grille for Sidewall and Ceiling [Duct Opening Size] Vent Cover Return Air for 1-inch Filters | Vent Cover Grill, White (Duct Opening Sizez:20inchX 20inch) 4.3 out of 5 stars. 17. 50+ bought in past month. $47.99 $ …The H190 25 x 20 is a 25 in. x 20 in. return air filter grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our return air filter grille to outfit your ventilation system will improve your home air circulation.The first step is to locate the return ventilation grilles. These are usually located near the ceiling or on the wall. Once you've located them, use a vacuum cleaner or remove dust from the return vent cover. Then, open the ventilation grille and remove the old filter. When installing the new filter, make …Don't see what you need? Click here to let us know and we'll help you find what you're looking for. 4 Types of Whole House Air Purifiers. Whole house filters, like the extended media filter shown here, must be professionally installed in return-air ductwork. Photo by Keller & Keller. The most efficient way to filter household air is through your home’s forced-air heating or central air-conditioning system. P8 & P11 – Panel Filters. 8mm and 10mm Flat Panel Washable Filters to suit Return Air Grilles. Usually rated as G3 efficiency. Sizes are made to order to suit requirements. Lightweight Aluminium frame. Electrostatic media available on request. Suitable for most commercial and residential applications. 4 Types of Whole House Air Purifiers. Whole house filters, like the extended media filter shown here, must be professionally installed in return-air ductwork. Photo by Keller & Keller. The most efficient way to filter household air is through your home’s forced-air heating or central air-conditioning system. 12 products in. Return air filter grille Grilles. Pickup Free Delivery Fast Delivery. Sort & Filter (1) EZ-FLO. 20-in x 14-in Steel White Sidewall/Ceiling Return Air Filter …Home / Products / Air Conditioning / Grilles & Diffusers / Hinged Return Air Grille + Filter.. Hinged Return Air Grille + Filter. Size. Choose an option ...Highlights. Allows air to flow freely between your ventilation system and a room. Made of high quality steel. White powder coat finish. Removable face allows easy access to replace air filter. Listed size is duct opening measurement. Width x height. Do not measure outside of the grille. Accepts a 1 in. filter.The return air vent pulls air from inside the home to recycle in the HVAC system. Pet fur and dander, smoke, and other indoor pollutants leave dirt on the vents. Old air filters need changing regularly to prevent dirty return air vents. A pro should clean your HVAC system at least every three to five years.Furnace Return Air Box with Filter Rack - 21.5" x 28.5" Model: FB2128. $248.00. Add to Compare. Furnace Return Air Box with Filter Rack - 14.5" x 28.5" Model: FB1428. $259.00. Add to Compare. Furnace Return Air Box with Filter Rack - 17.5" x 28.5" Model: FB1728. Rating: 100%. 1 review. $270.00. Add to Compare. Page. …Nov 16, 2022 · Return air ducts are an essential part of an HVAC system. These ducts pump air out of a room and send it back to the HVAC system, where it is filtered and reconditioned. This system allows the same air to be circulated throughout a building, which helps maintain a consistent temperature and promote air quality. Oct 9, 2020 · The EZ-FLO Return Air Filter Grille is designed for wall or ceiling openings on central air system plenums for mounting an air filter. It is made of heavy-duty steel with a white powder-coated finish that resists flaking and rust for a longer-lasting performance. It fits a rough duct opening 10 inches wide by 10 inches long. Air handler filters, also known as furnace filters, are single filters closer to the furnace itself as part of the blower. Return vent filters aren’t needed in HVAC systems with air handler filters. Some aspects of these filters to consider include: Air handler filters are great at removing bacteria and allergens from the air.Nov 16, 2022 · Return air ducts are an essential part of an HVAC system. These ducts pump air out of a room and send it back to the HVAC system, where it is filtered and reconditioned. This system allows the same air to be circulated throughout a building, which helps maintain a consistent temperature and promote air quality. When it comes to keeping your vehicle running smoothly, one of the most important things you can do is to make sure you have the right air filter. The right air filter will help ke... The 190RF series are a Return Air Filter Grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our return air filter grille to outfit your ventilation system will improve your home circulation. Product Features: Durable white powder coated, High-quality steel, Removable face allows easy access to replace air ... Steel Sidewall/Ceiling Return Air Filter Grilles, 1/2 Inch Spacing (673 Series) Steel Baseboard Return Air Grilles, 1/3 Inch Spacing (657 Series) Steel Baseboard Return Air Grilles, 1/2 Inch Spacing (674 Series) Steel Baseboard Return Air Grilles w/ Base Projection (658 Series)24 in. x 24 in. T-Bar, Drop Ceiling, Lay In Return Air Filter Grille with Duct Board Back (8) ... T-Bar Drop Ceiling Lay In return air grille is for commercial or large areas. It comes with ductboard r4 insulation with vapor barrier. It requires a collar from 4 in. to 14 in.. Dia.Learn how furnace filters and return air filters differ in location, function, and performance. Find out the pros and cons of each type of filter and …The returned filters must be in the original, unused condition and should not be damaged. In case you have received damaged filters and to request a return …Highlights. Allows air to flow freely between your ventilation system and a room. Steel construction. White powder coat finish. 50° angled to provide maximum airflow. 1/2 in. blade spacing. Duct opening measurement: 16 in. x 8 in. (width x height) Return Policy.The 190RF series are a Return Air Filter Grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our return air filter grille to outfit your ventilation system will improve your home circulation. Product Features: Durable white powder coated, High-quality steel ...In this video we show you the steps for changing your HVAC Air Filter on a wall return.Music: https://www.bensound.com/royalty-free-musicThe rule of thumb for return air filters and filter grille pressure drop is that ideally it should not exceed 25% of the rated maximum total external static pressure of the system fan. Here’s how to determine that number. First, go to the air handler nameplate. Read it until you find the Maximum Total External Static Pressure.Air handler filters, also known as furnace filters, are single filters closer to the furnace itself as part of the blower. Return vent filters aren’t needed in HVAC systems with air handler filters. Some aspects of these filters to consider include: Air handler filters are great at removing bacteria and allergens from the air.Hover Image to Zoom. $ 15 20. Allows maximum airflow to maintain optimum ventilation. High-quality steel construction offers strength and durability. White powder coat finish imparts resistance against rust. View More Details. Color: …Find your air filter location. You may have more than one air filter in the home to service. The return air register, the air handler cabinet and even a window air …Honeywell Home FC40R1003 - 20" x 20" Return Grill Media Air Filter- Note: The Actual Dimensions of this filter are: 19-3/4" x 19-3/4" Note: Dimensions listed are Nominal Dimensions, for exact dimensions refer to the submittal sheet. Updated FC40R filters are over 30% smaller in depth, This change increases the flexibility without reducing the …T-Bar Return Air Filter Grilles. 659T — Steel Lanced Return Air Filter Grille, 1/3" Fin Spacing. 659TI — Steel Lanced Return Air Filter Grille, 1/3" Fin Spacing with Insulated Back. 673T — Steel Lanced Return Air Filter Grille, 1/2" Fin Spacing. 673TPI R6 — Steel Lanced Return Air Filter Grille, 1/2" Fin Spacing, Plenum Box R6 Ductboard. The EZ-FLO Return Air Filter Grille is designed for wall or ceiling openings on central air system plenums for mounting an air filter. It is made of heavy-duty steel with a white powder-coated finish that resists flaking and rust for a longer-lasting performance. It fits a rough duct opening 16 inches wide by 25 inches long. About This Product. The H190 24X16 is a 24 in. x 16 in. return air filter grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our return air filter grille to outfit your ventilation system will improve your home air circulation.Steel Return Air Filter Grille for Sidewall and Ceiling [Duct Opening Size] Vent Cover Return Air for 1-inch Filters | Vent Cover Grill, White (Duct Opening Sizez:20inchX 20inch) 4.2 out of 5 stars. 18. 100+ bought in past month. …Don't see what you need? Click here to let us know and we'll help you find what you're looking for.The main purpose of a return air vent is to suck the air in your home back into the HVAC components. This is pretty much recycling the air in your home. Once it is heated, or “conditioned”, the air goes back in your home’s living space via duct work that ends at the supply vents. For example, in the winter you kick on your furnace.Step 4. Multiply the lengths and widths of common filter grille sizes to calculate the square inches of each. Once you find one that meets or exceeds the above calculated needed number, you can use it as your filter grille size. Some of the common sizes include 20-by-14, 25-by-16 and 20-by-20. Using those examples, …The returned filters must be in the original, unused condition and should not be damaged. In case you have received damaged filters and to request a return …For use as return air grille in heating, cooling and ventilating applications. Installed on sidewall or ceiling. Accepts 1 in nominal thick filter. The white color …Therefore, clogged filters can block return air from entering the AC. The filters can become clogged for many reasons. For instance, floor-mounted vent filters often collect dust and pebbles as people walk across the vents. Meanwhile, ceiling and wall-mounted vent filters can become clogged due to airborne particles, including smoke and …The return air system is an integral par... Learn how to clean your Ducted AC Return air grille and filter for optimum performance and efficiency with AirTouch.The main purpose of a return air vent is to suck the air in your home back into the HVAC components. This is pretty much recycling the air in your home. Once it is heated, or “conditioned”, the air goes back in your home’s living space via duct work that ends at the supply vents. For example, in the winter you kick on your furnace.14 in x 24 in Return Grille Media Air Filter - MERV 13. SKU: FC313R1424/U. Write a Review. Long Lasting Air Quality. These Honeywell Home High-Performance …Honeywell Home FC40R1003 - 20" x 20" Return Grill Media Air Filter- Note: The Actual Dimensions of this filter are: 19-3/4" x 19-3/4" Note: Dimensions listed are Nominal Dimensions, for exact dimensions refer to the submittal sheet. Updated FC40R filters are over 30% smaller in depth, This change increases the flexibility without reducing the …Steel Return Air Filter Grille for Sidewall and Ceiling [Duct Opening Size] Vent Cover Return Air for 1-inch Filters | Vent Cover Grill, White (Duct Opening Sizez:14inch X 30inch) 4.5 out of 5 stars 8. $61.99 $ 61. 99. FREE delivery Fri, Nov 10 . Or fastest delivery Wed, Nov 8 .Hover Image to Zoom. $ 15 20. Allows maximum airflow to maintain optimum ventilation. High-quality steel construction offers strength and durability. White powder coat finish imparts resistance against rust. View More Details. Color: …Jan 31, 2022 · Why a central return is better. One reason to go with a central return is that you’ll end up with less ductwork. Shorter ducts on the return side can mean less resistance to air flow. It’s certainly possible to do low-resistance dedicated returns, but it’s generally easier with central returns. These Honeywell Home High-Performance Return Grille Filters from Resideo help trap airborne dust, pollen, mold spores, bacteria and other allergens that pass through your HVAC system. They also last up to three times longer than standard one-inch filters, which mean less maintenance for improved indoor air quality. …Whole House Electronic Air Cleaners are typically Return Air Duct or Return Air Filter Grille installed. 24 Volt Electronic Air Cleaners use less power and save energy over 120 Volt models. They are also easier to install, saving money on installation. TRION HE Plus Electronic Air Cleaners | 1400 and 2000 CFM | 24 Volt Furnace Types and Filter ...The 190RF series is a Return Air Filter Grille used for sidewall or ceiling openings. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our return air filter … Filtrete 20-in W x 20-in L x 1-in MERV 5 Basic Pleated Air Filter (3-Pack) The Filtrete 20x20x1 Basic Air Filter, made by 3M, helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment. Use a 3-month pleated 1-inch home air filter in your furnace, air conditioner or HVAC system. Using our return air filter grille to outfit your ventilation system will improve your home circulation. Product Features: Durable white powder coated, High quality steel, Removable face allows easy access to replace air filter, accepts a 1 in. filter (not included), 1/2 in. spacing louvers.Steel Return Air Filter Grille for Sidewall and Ceiling [Duct Opening Size] Vent Cover Return Air for 1-inch Filters | Vent Cover Grill, White (Duct Opening Sizez:20inchX 25inch) $59.99 $ 59. 99. FREE delivery Sat, Mar 16 . Or fastest delivery Fri, Mar 15 . Best Seller in Air Conditioner Replacement Filters.The FR 1625 external air filter rack assembly is designed to be used in up-flow, down-flow, and horizontal applications for all brands of forced air furnace and air handlers. The filter rack is sized to accommodate a 1 in. x 16 in. x 25 in. air filter, not included, and can be adapted or transitioned in the field to attach to the equipment and return air duct.12 in. x 12 in. High Return Air Filter Grille with MERV 11 Filter Pre-Installed. For use as return air grille in heating, cooling, and ventilating applications. Installed on sidewall or ceiling. Accepts 1 in. nominal thick filter. The white color coordinates with most backgrounds and can be easily painted over. ---1