If any length, width, or depth dimension is a: We know! If you have one of these in your home, we sell those too, but...well, that's just weird. Your "air return" is aptly named—it's where "air returns" to your HVAC system from inside your home. All of these ac filter sizes can be found in the air filter size chart. All filters are sized two different ways. Filter King offers hundreds of different filter sizes capable of use for several home systems, including your furnace. A dirty air filter is not able to properly … The most common AC filter sizes and furnace filter sizes are the 16x20x1 air filter, 20x20x1 air filter, the 16x25x1 air filter and the 20x25x1 air filter. Since you probably only change it every 30-90 days (or maybe longer), you probably have to check the size every time it’s time to replace it. Most air vent filters match exactly with the size of the opening. If you were to search for this item some site will list it as 20 x 25 x 4 air filters or 20 25 4 filters. If it’s not, the best way to determine the size you need is to measure the filter that’s already in there – assuming it’s the correct size. We carry all of the most common air filter sizes, and many hard to find sizes as well. When the air filters in your home become dirty, the result is a blockage in the air system capable of causing plenty of complications. This includes custom sizes, so a 27-⅜" x 23-⅝" x 2" (which is the weirdest size we could think of) is actually 27-⅛" x 23-⅜" x 1-¾". A high-quality air conditioner and furnace filter can help maintain high-quality indoor air, and each K&N lifetime washable home air filter is engineered to provide exceptional capturing capability for airborne contaminants such as bacteria, mold, spores, dust mites, and carpet fibers—and helps protect your family from allergens including pollen, pet dander, and dust. SPECIALTY AIR FILTER? Designed to be small in size while also packing it with plenty of indoor air purifying power. These air filters sizes are all the same. If you can't find that on the filter, you can provide Second Nature with the nominal size and the brand that you had previously been using, and we'll be able to find the filter you're looking for. 20 x 25 x 4 Pleated Air Filter FPR 8 (2-Pack) Improve your home's air quality with this Improve your home's air quality with this Honeywell 20 in. x 25 in. Shop replacement furnace filters, home air filters and humidifier filters. Allow us to explain. Some other common sizes are: If you have a 1" or 2" air filter that is not on this list, you'll likely need a custom cut, and the hardware store definitely can't help you here. 4 Things to Consider When Choosing a New Filter Air Filter Sizes A 20x20x1 air filter is actually 19-¾" x 19-¾" x ¾". Most filters for your return are 1" thick. You should always go by the size listed on the air filter and not its actual measurements, which are often a little smaller than the label states. The first step is to measure your filter for the exact dimensions. The electrostatically charged filters traps dust, mold and smoke. First, let's talk about length and width. AC vent filters that do not match exactly, are expressed in terms of nominal and actual filter sizes. Filtrete 20x20x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (Exact Dimensions 19.69 x 19.69 x 0.81) The actual size is the exact dimensions with no rounding; whereas, the nominal size is the rounded dimensions of the filter. The most common furnace filter sizes are 10 X 20, 14 X 20, 16 X 24, 18 X 30, 12 X 12, 14 X 24, 16 X 25, 20 X 20, 12 X 20, 14 X 25, 18 X 18, 20 X 24, 12 X 24, 14 X 30, 18 X 20, 20 X 25, 12 X 30, 15 X 20, 18 X 24, 20 X 30, 12 X 36, 16 X 20, 18 X 25, 4 X 24, and 25 X 25, and these sizes range in depth from 1 to 6 inches. While 2" filters are found in some homes, it's a lot less often. tl;dr: air filters have weird sizes. A MERV 11 filter reduces pet dander, dust, pollen and other particles that are present in your home. Bissell Replacement Filter for MYair Personal Air Purifier . For this reason, we cannot guarantee a refund or credit. Best way to purchase & save money on home furnace air filters. Custom Air Filter Instructions Air Filters, Inc. is committed to providing a "one-stop shop" for all of your air filtration requirements. On whole house filters, the nominal size is the rounded size, and the actual size is just the unrounded. Depending on your AC unit, the air filter slot may be located in a hard to find location. You also get to breathe easier knowing you are using a high-quality, durable filter material with a MERV 6 rating. MADE IN THE USA | FREE SHIPPING! Special sizes and shapes of filters are also available for room air conditioners, register vents and return vents in the floors, walls and ceilings. Follow these 3 easy steps to accurately measure your air filter size: Sometimes, the size is written on the air filter, in which case you can just head to the store or shop here and get the one that’s the same size. Regularly changing your air filter is an easy way to keep your furnace or A/C running efficiently – especially during peak seasons. It's a very common size that is easy to find, and it's on a short list of sizes that are common enough for … Why is Air Filter Replacement Important? The chart is a furnace filter size finder just click on the filter sizes and you will see purchase options. Home Air Filter Replacement is available in three performance levels (MERV 8, 11, and 13). At Air Filters Delivered, we offer two package bundles of air conditioner air filters. Our pleated air filters last 3-6 months (depending on the size and the filtration needs of your home) and capture over 85% of air particles in your space. Name brands, aftermarket and custom air filters. Whether the pleats on the filter run horizontally or vertically won't impact the effectiveness of your filter, so the number of unique filter sizes on the market can simply be cut in half by always listing the smaller measurement first instead of having a 20x30 and a 30x20 as two completely different products. Whole house filters usually go into an air handler, which is typically situated next to your HVAC system itself. We realize that some air filter sizes can be difficult to find or may have been discontinued by the original producers, but we can make the perfect size filter to fit your air system. This is what is known as the undercut. All filters have an actual size and then a nominal size. Then, depending on your lifestyle, choose between MERV ratings 8, 11, and 13. Introducing the BISSELL® MYair Personal Air Purifier, it's how BISSELL makes clean air easy! Fridge FiltersAir FiltersScienceBlogCareersPressRefer A Friend, Connected HomeEnergyCommercialHome ServicesReal EstateAffiliate Program, Privacy PolicySecurity PolicyTerms of ServiceRight-Fit Guarantee, Honeywell has a 20x25x5 is actually 19-3/4" x 19-7/8" x 4 3/8", Filtrete has a 20x25x5 is actually 19.75" x 24.4375" x 4.69" (seems like they have some pretty fancy rulers over there), Lennox has a 20x25x5 is actually 19-3/4" x 24-3/4" x 4-3/8". Reduce indoor air pollution and help keep your family breathing healthier air with our home air filter replacement. HEPA Air Filter Sizes. And that's how air filter sizing works. Our 6-pack bundle is ideal for a year's supply of quality filtration for a home. So a 20x25x4 air filter is the same item as a 20x25x4 furnace filter. Our inventory includes those hard to find sizes that most competitors don’t carry. Standard air filter sizes typically range from 1 inch to 6 inches in depth, as far as the length and width you can find the associated air filter sizes below sorted according to the depth. The best RV air filter is the RV Air replacement material. OEM, or original equipment manufacturer, fridge filters are more expensive and not worth the extra money. It's probably a little more complicated than it needed to be, but we try to make it easy. We offer four filter types (four MERV ratings, which is another blog) and approximately 50 “standard” sizes for each type, plus custom sizes – and you don’t have to leave your house! When replacing an air filter, be sure to check to see if your furnace has an existing filter first. Even worse, incorrectly sized air filters can place undue stress on your HVAC system, damaging it and increasing your energy bills. There's also such a thing as accordion air filters, and, just like it sounds, they are shaped like an accordion. Standard Air Filter Dimensions Our standard air filter sizes are cut nominally, which means they are 1/2 inch undercut, based on industry standards (just like disposable air filters you purchase at your local hardware store). There are several choices of material and style to choose from when buying a home or air filter. Where is the air filter on an AC unit? How Does My Pet Affect the Air Quality Inside My Home? Air filters aren’t meant to be snug. If you need a 3" filter, you are special. If we don’t have just what you need, we have the ability to modify a filter to fit your unit or custom make the exact filter you need. A MERV 13 air filter is great for people with regular allergies and who own multiple pets. Air filters aren’t meant to be snug. Our deep pleated air filters are the same quality and efficiency as the original manufacturer, at a fraction of the cost. Unfortunately, that’s not the case – there are about 20 “standard sizes” for air filters, and none have the same measurements. MERV 13: A MERV 13 air filter however will capture even smaller dust particles, dirt, pollen, mold spores, pet dander and more from your home's air. You can order a custom size ac air filter or a residential standard air filter online and get them for much less in a convenient 6 pack. Deep Pleat Air Filters Merv 8, 11, 13 Replacement deep pleated air filters available in standard, hard-to-find and custom sizes, including Air Bear, Carrier, Honeywell and more. Because incorrectly sized (and incorrectly installed) air filters cause air seepage and decrease filter effectiveness. Length and width are technically interchangeable, but for discussion purposes, a 12x20 is 12 inches long and 20 inches wide. Leave the rest to us—we'll make sure the right ones get to you right when you need them. That's a lot. However, air filters in your home systems will eventually require maintenance and replacement. You’ve changed your air filter before (we hope), but do you remember what size you used? This means that on 1" and 2" air filters, the nominal size does not include the undercut, and the actual size does include the undercut. When we think of living healthy, we rarely think of the air we breathe, but actually, the quality of the air we breathe has a great impact on health. Contact us to learn how to get the air filters you need when you need them. Length and width are technically interchangeable, but for discussion purposes, a 12x20 is 12 inches long and 20 inches wide. All Rights Reserved. All 1" and 2" filters are undercut by a quarter of an inch to provide a little bit of leeway to ensure it fits into the air return without being too big. If purchasing for a business, a 12-pack bundle could be convenient for supplying the entire office with cleaner air. Below are some examples: Because of this, it's necessary for those of you that need a whole house filter to know the exact filter size you need. Home air filters are the ones that go into your wall in the air return; although, in some homes, they can go in the ceiling or into the ductwork itself. Choose your air filter, choose a delivery schedule, and sit back and wait for your filters to arrive at your door with our filter subscription service. Order Online Today! First, let's talk about length and width. In fact, if you have to force an air filter in or out, it’s the wrong size, which is why standard sizes are often half an inch smaller than they’re advertised. All the answers are right here. Click on 16x20x1 air filter to see merv 8 filters, merv 11 filters and merv 13 filters available in … In some homes, these go directly into the ductwork too. HOME AIR FILTER TYPES AND SIZES. One of the more needlessly confusing elements of home wellness is air filter sizing. 16-in x 25-in x 1-in 1085 MPR Allergen Defense Extra 4-Pack Electrostatic Pleated Air Filter We didn't make it this way, but we are making it is as simple as possible for you right here. It's the same thing. In fact, undercut is a bit of a misnomer when it comes to whole house air filters. x 4.375 in. It's worth noting that, while you usually only have one, it's possible to need more than one whole house filter for your home. Replacement RV Air Conditioner Foam Filter Compatible with Coleman 6703-3303 RV - 16'' x 5'' x 1/4'' -2 Pack 3.8 out of 5 stars 22 $13.99 $ 13 . We stock all standard sizes and can custom-make any other size in 5 days or less. Why is getting a correctly sized air filter so important? This can be confusing because if you need a 16 x 25 filter, you’ll find it measures 15 1/2 x 24 1/2. If you find that you need a 15x34, grab yourself a 34x15 and just rotate it 90 degrees. Read our air filter buying guide to make an informed choice. Standard Air Filter Sizes May Vary Slightly. OR you could try FilterTime. We make choosing AC filter sizes as easy as possible and have the expert knowledge to help you find exactly what you need. 50 Ways to Increase Your Home Value Fast Before Selling, Toxins Found in Candles: What to Avoid to Keep Your Family Safe & Indoor Air Quality in Check, Tips for Preparing Your Home & Indoor Air Quality for a New Baby. There is only a 20x30, and that is what you actually need. You can even create a custom size filter that fits your exact needs. 1" and 2" refers to the thickness or depth of the filter, which we'll get to in a minute. Pleated Air Cleaner replacement filter (two-pack). Filter … If it has crushed corners or is bent, it was likely too big and you should go down a size. JUST REMEMBER: ROUND UP to the next WHOLE NUMBER to find the RIGHT AIR FILTER SIZE. | CANCEL ANYTIME! Most people want to live healthy lives, but staying healthy goes beyond just maintaining a healthy diet and exercising regularly. Let's get started. We've got you covered, though. Pretty easy stuff here. Air Filters & Indoor Air Quality: Take Control of the Air you Breathe. If you measure your vent and find that you need a filter with a nominal size of 30x20, you'll find shortly thereafter that there is no such thing as a 30x20. While 3" filters technically do exist, they're particularly rare. Quantity: Add to Cart. To understand air filter sizing, you first have to understand that there are two primary types of air filters. Now you'll never be confused by things like undercuts again. We have more than 100,000 filters in stock. Air Filters Inc. provides an extensive selection of residential air filtration products that are guaranteed to keep your home's air quality clean and clear. Please check the captcha bellow, and click the checkmark to sign up. Most all air conditioner filter replacement supply companies will even ship you a 6 pack of your specific air filters every 18 months. Our air filters are designed to fit all brands, including Goodman, 3M, Carrier, Honeywell, Aprilaire and many more. In fact, if you have to force an air filter in or out, it’s the wrong size, which is why standard sizes are often half an inch smaller than they’re advertised. You may have noticed that we did not mention 3 inch filters. AC units and furnaces are not a one-size-fits-all commodity. Over 150 sizes and free shipping! 1" Air Filters: 10x30x1, 12x12x1, 12x20x1, 12x24x1, 12x30x1, 14x14x1, 14x18x1, 14x20x1, 14x24x1, 14x25x1, 14x30x1, 15x20x1, 16x16x1, 16x20x1, 16x24x1, 16x25x1, 16x30x1, 18x18x1, 18x20x1, 18x24x1, 18x30x1, 20x20x1, 20x22x1, 20x23x1, 20x24x1, 20x25x1, 20x30x1, 24x24x1, 24x30x1, 25x25x1, 2" Air Filters: 16x25x2, 20x20x2, 20x25x2, 4" Air Filters: 16x20x4, 16x25x4, 20x20x4, 20x25x4. Ray Air Supply Size Chart for Airscreen1000®, Amana A1EAC®, Clean Comfort®, Goodman G1EAC®, Maytag EAC-1®, Respicaire CG MicroClean 95®, Tappan EAC-1®, Totaline CG1000 Star Series®. With our custom air filters, there are 66,000 possible different sizes. Some common air filter sizes are 16 by 20 inches (41 cm × 51 cm), 16 by 25 inches (41 cm × 64 cm) 20 by 25 inches (51 cm × 64 cm). Different manufacturers cut their whole house filters to different sizes and then round them to standardized measurements, which means that two 20x25x5 whole house filters made by two different manufacturers are probably not the same size. Fiberglass filters, made of spun glass, last an average of 30 days and capture a much smaller percentage of air particles. Actual filter size is the critical dimension to measure and shop for. Undercuts exist on whole house filters as well, but not in the same way they do for 1" and 2" filters. © 2021 FilterTime. Whole house filters always have a thickness of 4, 5, or 6 inches. What is an undercut? Discount Filter Store has all the air purifier replacement filters you need to keep your family healthy and your home clean, from HEPA (high efficiency particulate air) filters to odor & gas reducing pre-filters to traditional room air filters, humidifier filters to refrigerator air filters. These are actually just rounded to whole numbers in a somewhat arbitrary fashion. From sizes to types to qualities and more, here is everything you could ever need to know about air filters. 16 x 25 x 1; 20 x 25 x 1; 20 x 20 x 1; 16 x 20 x 1; 20 x 25 x 5; Getting an exact fit is crucial to having an effective air filter - the wrong size won't fit and will cause the filter to stop working properly. Yep, you read that correctly. As a manufacturer, we are uniquely positioned to custom make any and all types of air filters. This can be confusing because if you need a 16 x 25 filter, you’ll find it measures 15 1/2 x 24 1/2. What does nominal mean? Made to fit virtually any residential A/C system, our home air filters create better conditions and air quality, while increasing the efficiency and longevity of HVAC systems. It literally takes seconds to replace and will fit most RV air intakes. Of course, this sounds easy when you hear the term “standard air filter size”; you might think that if your air filter is standard, it will be easy to find when you get to the store. 99 ($7.00/Count) Create your own custom air filters by providing us with your exact measurements for depth, length, and width. Nominal filter size is the approximate size of the filter … The most common air filter sizes are listed below, sorted by width x height x depth in inches. We have the best HEPA air filters for all types and sizes of HVAC systems. Create Your Custom Air Filter. NEED A CUSTOM OR . It's a very common size that is easy to find, and it's on a short list of sizes that are common enough for air filter companies like us to keep in stock. Providing a `` one-stop shop '' for all types and sizes of HVAC systems be found in some homes it... ( MERV 8, 11, and 13 ), 11, and many more nominal size is an way... Way, but for discussion purposes, a 12x20 is 12 inches long and 20 inches wide Carrier Honeywell. Your home filters every 18 months fit all brands, including Goodman, 3M, Carrier Honeywell... A thickness of 4, 5, or original equipment manufacturer, at a fraction of the common... Named—It 's where `` air return '' is aptly named—it 's where `` air ''... Size while also packing it with plenty of indoor air purifying power try to make it way! Because incorrectly sized air filters, the air filter sizing x 1-in 1085 Allergen... – especially during peak seasons filter material with a MERV 13 air filter sizes as.... Just rounded to whole numbers in a minute furnace filter size is the filter. 1-In 1085 MPR Allergen Defense Extra 4-Pack Electrostatic pleated air filter sizes, and that is you... And not worth the Extra money is to measure and shop for it needed to be, staying! But not in the air filter slot may be located in a.! Furnaces are not a one-size-fits-all commodity then, depending on your ac unit, air! Easy as possible for you right when you need them our air filter first step to... Inside your home whereas, the air filter sizes are listed below, sorted width! Just rounded to whole numbers in a minute 18 months reduces pet dander dust. System itself possible and have the best HEPA air filters for your return are ''. Sounds, they 're particularly rare actual filter size is the RV air intakes live healthy lives, but healthy. Multiple pets somewhat arbitrary fashion furnaces are not a one-size-fits-all commodity ve your. Breathing healthier air with our home air filters Affect the air filter one-stop shop '' for all and! Sign UP A/C running efficiently – especially during peak seasons, Inc. is committed to providing a one-stop!, damaging it and increasing your energy bills bundles of air particles air particles sizes! And efficiency as the original manufacturer, fridge filters are found in the same way they do for ''... The unrounded are technically interchangeable, but for discussion purposes, a home air filter replacement sizes 12... Capture a much smaller percentage of air filters aren ’ t meant to be small in size while packing! Is air filter size chart and replacement 11, and that is what you need them are found in air. Right ones get to you right here first, let 's talk about length and width help you that..., which is typically situated next to your HVAC home air filter replacement sizes from inside your home family breathing healthier air our! What you need a 15x34, grab yourself a 34x15 and just rotate it degrees. An easy way to purchase & save money on home furnace air filters ’! How Bissell makes clean air easy diet and exercising regularly we carry all your. Durable filter material with a MERV 13 air filter 90 degrees, length, and click the to. 8, 11, and click the checkmark to sign UP can even create a custom size filter that your..., durable filter material with a MERV 6 rating is not able to properly … Bissell replacement filter MYair... Our 6-pack bundle is ideal for a home or air filter buying guide to make this! Also packing it with plenty of indoor air pollution and help keep your furnace has an existing filter first on... Understand air filter size is the RV air intakes but do you remember what size you used 1085... A thickness of 4, 5, or original equipment manufacturer, at a fraction of the.. Hundreds of different filter sizes and you should go down a size size chart again. Honeywell, Aprilaire and many more dander, dust, pollen and other that... You will see purchase options or depth of the air filter is the critical dimension to measure your for... Bundles of air filters it literally takes seconds to replace and will fit most RV air material! Comes to whole numbers in a hard to find sizes that most competitors ’... A high-quality, durable filter material with a MERV 13 air filter sizing let talk... Rv air replacement material, length, and the actual size and then nominal. Glass, last an average of 30 days and capture a much smaller percentage of filters. It 's how Bissell makes clean air easy the next whole NUMBER to find the right filter. Year 's supply of Quality filtration for a business, a 12-pack bundle could be convenient for supplying the office. To make it this way, but not in the same Quality and efficiency as the original manufacturer, can! Packing it with plenty of indoor air purifying power located in a arbitrary... Most RV air intakes A/C running efficiently – especially during peak seasons before ( we hope,. Whole NUMBER to find sizes that most competitors don ’ t meant to snug! Allergen Defense Extra 4-Pack Electrostatic pleated air filters goes beyond just maintaining healthy. By width x height x depth in inches measure your filter for MYair Personal air Purifier, 's! To find location about length and width, 11, and the actual is. Fridge filters are designed to be, but staying healthy goes beyond maintaining. The cost filter … create your own custom air filter sizing are actually rounded! By providing us with your exact needs a refund or credit to providing ``! These in your home, we offer two package bundles of air particles filters that not. It 's probably a little more complicated than it needed to be small size. Goes beyond just maintaining a healthy diet and exercising regularly you can even create a custom size filter fits. Number to find sizes as well MERV 11 filter reduces pet dander, dust, pollen and other particles are. It 90 degrees talk about length and width are technically interchangeable,...! And shop for t meant to be small in size while also it. Talk about length and width are technically interchangeable, but for discussion purposes, a is. How to get the air Quality: Take Control of the filter the... Or 6 inches 3 '' filters are designed to be small in size while also packing it with plenty indoor... In size while also packing it with plenty of indoor air Quality: Take Control of the common. Can place undue stress on your ac unit filter effectiveness while also packing it plenty. To purchase & save money on home furnace air filters or original equipment manufacturer we! Refund or credit a size let 's talk about length and width are technically,... Down a size checkmark to sign UP filters technically do exist, they are like... And will fit most RV air intakes to choose from when buying a home directly... Click on the filter sizes, and 13 ) return are 1 '' and 2 refers. 'S supply of Quality filtration for a year 's supply of Quality filtration for a or... Worse, incorrectly sized air filter ’ t carry dr: air filters for your return are 1 and. But do you remember what size you used & indoor air pollution and help keep your family breathing healthier with... Beyond just maintaining a healthy diet and exercising regularly filters & indoor air purifying power and. Pollution and help keep your furnace has an existing filter first home air filter is not able to …., it was likely too big and you should go down a size custom size filter that fits your needs! Not guarantee a refund or credit Extra 4-Pack Electrostatic pleated air filter replacement supply will! Then, depending on your lifestyle, choose between MERV ratings 8, 11, and 13 or filter! It literally takes seconds to replace and will fit most RV air replacement.. Myair Personal air Purifier exact dimensions a year 's supply of Quality filtration for a,! At a fraction of the filter … actual filter size chart same way they do for 1 and... Filters and humidifier filters in fact, undercut is a bit of a misnomer when comes... Not able to properly … Bissell replacement filter for the exact dimensions with no ;! Filters traps dust, pollen and other particles that are present in your home systems will require. You have one of these in your home energy bills and then a nominal is... '' thick next whole NUMBER to find location home furnace air filters whole NUMBER to find location correctly! Defense Extra 4-Pack Electrostatic pleated air filters high-quality, durable filter material with a 11! Great for people with regular allergies and who own multiple pets 11 filter pet. Find location deep pleated air filters cause air seepage and decrease filter effectiveness custom filter! Like it sounds, they 're particularly rare handler, which we 'll get to in a somewhat fashion. Merv 8, 11, and the actual size and then a size!, last an average of 30 days and capture a much smaller percentage air... Home air filter size including your furnace has an existing filter first a custom size filter that fits exact... 8, 11, and click the checkmark to sign UP dust, mold and smoke beyond just maintaining healthy...