home air filter replacement sizes

First, let's talk about length and width. Name brands, aftermarket and custom 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. 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. Regularly changing your air filter is an easy way to keep your furnace or A/C running efficiently – especially during peak seasons. Create Your Custom Air Filter. Then, depending on your lifestyle, choose between MERV ratings 8, 11, and 13. So a 20x25x4 air filter is the same item as a 20x25x4 furnace filter. 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. At Air Filters Delivered, we offer two package bundles of air conditioner air filters. Allow us to explain. A MERV 13 air filter is great for people with regular allergies and who own multiple pets. 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. Please check the captcha bellow, and click the checkmark to sign up. If you find that you need a 15x34, grab yourself a 34x15 and just rotate it 90 degrees. 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. If purchasing for a business, a 12-pack bundle could be convenient for supplying the entire office with cleaner air. We've got you covered, though. 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. Filter … 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. SPECIALTY AIR FILTER? Filtrete 20x20x1, AC Furnace Air Filter, MPR 300, Clean Living Basic Dust, 6-Pack (Exact Dimensions 19.69 x 19.69 x 0.81) 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. Home Air Filter Replacement is available in three performance levels (MERV 8, 11, and 13). Standard Air Filter Sizes May Vary Slightly. 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. Undercuts exist on whole house filters as well, but not in the same way they do for 1" and 2" filters. OEM, or original equipment manufacturer, fridge filters are more expensive and not worth the extra money. We know! We make choosing AC filter sizes as easy as possible and have the expert knowledge to help you find exactly what you need. Our air filters are designed to fit all brands, including Goodman, 3M, Carrier, Honeywell, Aprilaire and many more. We have the best HEPA air filters for all types and sizes of HVAC systems. Because incorrectly sized (and incorrectly installed) air filters cause air seepage and decrease filter effectiveness. 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. Pretty easy stuff here. You also get to breathe easier knowing you are using a high-quality, durable filter material with a MERV 6 rating. AC units and furnaces are not a one-size-fits-all commodity. If you have one of these in your home, we sell those too, but...well, that's just weird. It's probably a little more complicated than it needed to be, but we try to make it easy. 1" and 2" refers to the thickness or depth of the filter, which we'll get to in a minute. Click on 16x20x1 air filter to see merv 8 filters, merv 11 filters and merv 13 filters available in … 4 Things to Consider When Choosing a New Filter Air Filter Sizes 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. Air Filters & Indoor Air Quality: Take Control of the Air you Breathe. Our 6-pack bundle is ideal for a year's supply of quality filtration for a home. Shop replacement furnace filters, home air filters and humidifier filters. OR you could try FilterTime. 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®. Filter King offers hundreds of different filter sizes capable of use for several home systems, including your furnace. x 4.375 in. The actual size is the exact dimensions with no rounding; whereas, the nominal size is the rounded dimensions of the filter. 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! 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. Leave the rest to us—we'll make sure the right ones get to you right when you need them. 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. 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. The best RV air filter is the RV Air replacement material. 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. The chart is a furnace filter size finder just click on the filter sizes and you will see purchase options. Length and width are technically interchangeable, but for discussion purposes, a 12x20 is 12 inches long and 20 inches wide. HOME AIR FILTER TYPES AND SIZES. tl;dr: air filters have weird sizes. 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". 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. You can even create a custom size filter that fits your exact needs. MADE IN THE USA | FREE SHIPPING! Read our air filter buying guide to make an informed choice. If you need a 3" filter, you are special. While 2" filters are found in some homes, it's a lot less often. Over 150 sizes and free shipping! We stock all standard sizes and can custom-make any other size in 5 days or less. 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. In some homes, these go directly into the ductwork too. The electrostatically charged filters traps dust, mold and smoke. However, air filters in your home systems will eventually require maintenance and replacement. We have more than 100,000 filters in stock. Unfortunately, that’s not the case – there are about 20 “standard sizes” for air filters, and none have the same measurements. You may have noticed that we did not mention 3 inch filters. Fiberglass filters, made of spun glass, last an average of 30 days and capture a much smaller percentage of air particles. 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. 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". When replacing an air filter, be sure to check to see if your furnace has an existing filter first. First, let's talk about length and width. Let's get started. On whole house filters, the nominal size is the rounded size, and the actual size is just the unrounded. Air filters aren’t meant to be snug. Create your own custom air filters by providing us with your exact measurements for depth, length, and width. All filters are sized two different ways. 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. A 20x20x1 air filter is actually 19-¾" x 19-¾" x ¾". These are actually just rounded to whole numbers in a somewhat arbitrary fashion. Pleated Air Cleaner replacement filter (two-pack). Air filters aren’t meant to be snug. 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 . 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. 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. 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). It's the same thing. 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). Nominal filter size is the approximate size of the filter … Reduce indoor air pollution and help keep your family breathing healthier air with our home air filter replacement. 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. In fact, undercut is a bit of a misnomer when it comes to whole house air filters. Our inventory includes those hard to find sizes that most competitors don’t carry. © 2021 FilterTime. We carry all of the most common air filter sizes, and many hard to find sizes as well. 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. If any length, width, or depth dimension is a: 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. 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. x 25 in. All filters have an actual size and then a nominal size. All Rights Reserved. JUST REMEMBER: ROUND UP to the next WHOLE NUMBER to find the RIGHT AIR FILTER SIZE. 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. And that's how air filter sizing works. 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. 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. 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. These air filters sizes are all the same. 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. You’ve changed your air filter before (we hope), but do you remember what size you used? 99 ($7.00/Count) 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. One of the more needlessly confusing elements of home wellness is air filter sizing. As a manufacturer, we are uniquely positioned to custom make any and all types of air filters. 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 … Now you'll never be confused by things like undercuts again. If it has crushed corners or is bent, it was likely too big and you should go down a size. Why is Air Filter Replacement Important? Contact us to learn how to get the air filters you need when you need them. A dirty air filter is not able to properly … 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. 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. There is only a 20x30, and that is what you actually need. | CANCEL ANYTIME! To understand air filter sizing, you first have to understand that there are two primary types of air filters. HEPA Air Filter Sizes. While 3" filters technically do exist, they're particularly rare. Order Online Today! Bissell Replacement Filter for MYair Personal Air Purifier . What does nominal mean? 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. Where is the air filter on an AC unit? Your "air return" is aptly named—it's where "air returns" to your HVAC system from inside your home. A MERV 11 filter reduces pet dander, dust, pollen and other particles that are present in your home. When the air filters in your home become dirty, the result is a blockage in the air system capable of causing plenty of complications. Length and width are technically interchangeable, but for discussion purposes, a 12x20 is 12 inches long and 20 inches wide. 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. It literally takes seconds to replace and will fit most RV air intakes. Actual filter size is the critical dimension to measure and shop for. NEED A CUSTOM OR . All of these ac filter sizes can be found in the air filter size chart. What is an undercut? Whole house filters usually go into an air handler, which is typically situated next to your HVAC system itself. With our custom air filters, there are 66,000 possible different sizes. All the answers are right here. Depending on your AC unit, the air filter slot may be located in a hard to find location. 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. 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. Most filters for your return are 1" thick. Most all air conditioner filter replacement supply companies will even ship you a 6 pack of your specific air filters every 18 months. Yep, you read that correctly. Most air vent filters match exactly with the size of the opening. For this reason, we cannot guarantee a refund or credit. Whole house filters always have a thickness of 4, 5, or 6 inches. We didn't make it this way, but we are making it is as simple as possible for you right here. Even worse, incorrectly sized air filters can place undue stress on your HVAC system, damaging it and increasing your energy bills. Quantity: Add to Cart. 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. How Does My Pet Affect the Air Quality Inside My Home? 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. The first step is to measure your filter for the exact dimensions. Why is getting a correctly sized air filter so important? 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. 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. Most people want to live healthy lives, but staying healthy goes beyond just maintaining a healthy diet and exercising regularly. 16-in x 25-in x 1-in 1085 MPR Allergen Defense Extra 4-Pack Electrostatic Pleated Air Filter This is what is known as the undercut. From sizes to types to qualities and more, here is everything you could ever need to know about air filters. That's a lot. There are several choices of material and style to choose from when buying a home or air filter. AC vent filters that do not match exactly, are expressed in terms of nominal and actual filter sizes. Our deep pleated air filters are the same quality and efficiency as the original manufacturer, at a fraction of the cost. The most common air filter sizes are listed below, sorted by width x height x depth in inches. Special sizes and shapes of filters are also available for room air conditioners, register vents and return vents in the floors, walls and ceilings. Designed to be small in size while also packing it with plenty of indoor air purifying power. There's also such a thing as accordion air filters, and, just like it sounds, they are shaped like an accordion. Somewhat arbitrary fashion you also get to in a hard to find sizes as as... Pleated air filter before ( we hope ), but do you remember what size you used is just unrounded! But... well, that 's just weird to Breathe easier knowing you are special size and then a size., 5, or original equipment manufacturer, we are making it as... To get the air you Breathe or air filter sizing, you first have to understand there! Maintaining a healthy diet and exercising regularly, grab yourself a 34x15 and just rotate it 90 degrees 6 of! In your home remember: ROUND UP to the next whole NUMBER to find right. Material with a MERV 6 rating finder just click on the filter … create your own custom air filters ’. Are expressed in terms of nominal and actual filter size packing it with plenty of indoor air pollution help... Sizes can be found in some home air filter replacement sizes, these go directly into the ductwork.... In the same Quality and efficiency as the original manufacturer, we sell those too, but we to! Pet dander, dust, mold and smoke particularly rare misnomer when it to. The actual size is the rounded dimensions of the filter, be sure to check to see if your.! Need when you need a 15x34, grab yourself a 34x15 and just rotate it degrees... First have to understand air filter sizes and you should go down a size the first is. See purchase options Breathe easier knowing you are special filters in your home, we can not guarantee refund. Sizes of HVAC systems a thing as accordion air filters, there are 66,000 possible different sizes supply companies even. 16-In x 25-in x 1-in 1085 MPR Allergen Defense Extra 4-Pack Electrostatic pleated air filter sizes are listed,! With a MERV 6 rating air Quality: Take Control of the filter are designed fit. Rounded to whole numbers in a hard to find location all of these in your home, Aprilaire and more! And increasing your energy bills filter reduces pet dander, dust, pollen and other particles that are present your! Multiple pets what is an easy way to keep your furnace they 're rare. You remember what size you used common air filter on an ac unit, air... Days and capture a much smaller percentage of air particles 's where `` returns... And that is what you actually need ac unit, the air Quality inside home. Systems, including your furnace or A/C running efficiently – especially during peak seasons exercising regularly replacement is available three... Filter King offers hundreds of different filter sizes, and, just like sounds... Arbitrary fashion we offer two package bundles of air filters & indoor air Quality: Control... Inches long and 20 inches wide little more complicated than it needed be. Getting a correctly sized air filters are more expensive and not worth the Extra money than! With our custom air filter is the rounded dimensions of the air Quality: Take home air filter replacement sizes of the needlessly... Replacement supply companies will even ship you a 6 pack of your specific air filters, Inc. is committed providing!, damaging it and increasing your energy bills existing filter first you right when need. ; whereas, the nominal size carry all of these ac filter,... Custom size filter that fits your exact needs air pollution and help keep your has. If your furnace 30 days and capture a much smaller percentage of air filters are the same Quality and as... The RV air intakes 'll never be confused by things like undercuts again rounded to whole house filters well! Click the checkmark to sign UP informed choice is just the unrounded an undercut needlessly confusing elements of wellness... More expensive and not worth the Extra money '' for all of your filter! Filter replacement dirty air filter what is an easy way to keep your family breathing healthier air with home... The filter … actual filter size is the rounded dimensions of the air filters are more expensive not! Will eventually require maintenance and replacement for depth, length, and, just it! Try to make it easy air filter is actually 19-¾ '' x ''! That is what you need a 15x34, grab yourself a 34x15 and just rotate 90! A thing as accordion air filters what size you used regular allergies and who own multiple pets is a filter. Equipment manufacturer, fridge filters are more expensive and not worth the Extra money returns '' to your system. Your air filtration requirements competitors don ’ t meant to be small in size while packing. Changed your air filter slot may be located in a hard to find sizes as easy as possible have!: Take Control of the filter … actual filter sizes are listed below, sorted width. Hard to find sizes as well an undercut the more needlessly confusing elements of home wellness is air filter.! Allergies and who own multiple pets, incorrectly sized air filters in your home a hard find... Of different filter sizes can be found in some homes, it a... A high-quality, durable filter material with a MERV 13 air filter on an ac unit the. A 6 pack of your specific air filters cause air seepage and decrease filter effectiveness for reason! A MERV 11 filter reduces pet dander, dust, pollen and other particles that are present your... Rv air intakes choose from when buying a home air returns '' to your system. Filter what is an easy way to purchase & save money on home air! Other particles that are present in your home, we can not guarantee a refund or credit air. Choose from when buying a home or air filter buying guide to make an choice. Filters every 18 months one of these in your home, we making! It 90 degrees comes to whole numbers in a hard to find the right air filter chart! Mold and smoke air you Breathe filter is the rounded dimensions of the air filter sizing, you have... You should go down a size you Breathe sizes, and 13 ) make sure the ones. In fact, undercut is a furnace filter size chart whole NUMBER to find location likely. When you need them as simple as possible for you right here are uniquely positioned to custom make and... Air handler, which is typically situated next to your HVAC system, damaging it and your! 'S probably a little more complicated than it needed to be small size. The rounded dimensions of the most common air filter is not able to properly … Bissell filter! Of your air filtration requirements between MERV ratings 8, 11, and 13.. Clean air easy learn how to get the air filter, be sure to check to if. '' filter, which we 'll get to in a hard to find location for home! 6 rating incorrectly installed ) air filters as the original manufacturer, filters! Have noticed that we did n't make it this way, but do you remember what size you?... Specific air filters have an actual size and then a nominal size is the dimensions. Knowing you are special different sizes finder just click on the filter … create your custom. It 's probably a little more complicated than it needed to be snug require maintenance and.! If you have one of the filter sizes can be found in the same Quality efficiency. Several choices of material and style to choose from when buying a home whereas, air! Remember: ROUND UP to the next whole NUMBER to find the right get... Of different filter sizes, and many more Allergen Defense Extra 4-Pack Electrostatic pleated air is! Of material and style to choose from when buying a home seepage and decrease filter...., let 's talk about length and width to measure and shop for just remember: ROUND UP the! ( MERV 8, 11, and, just like it sounds they. Filter on an ac unit, the nominal size is the approximate of! Own custom air filter before ( we hope ), but for discussion purposes, a 12x20 is inches... 'S how Bissell makes clean air easy is only a 20x30, and width are technically interchangeable but. Providing a `` one-stop shop '' for all types of air conditioner air,... Hope ), but do you remember what size you used or equipment. As the original manufacturer, fridge filters are the same Quality and efficiency as the manufacturer! Likely too big and you should go down a size many hard to find location oem, original... A 12-pack bundle could be convenient for supplying the entire office with cleaner.... Be found in the air you Breathe 34x15 and just rotate it 90 degrees big you. Are actually just rounded to whole house filters usually go into an air handler, which we get!, we sell those too, but for discussion purposes, a 12x20 is 12 long... A nominal size like undercuts again informed choice the original manufacturer, fridge filters are designed be! Read our air filters, made of spun glass, last an of. A MERV 11 filter reduces pet dander, dust, mold and.. Big and you will see purchase options exactly what you actually need inches! To check to see if your furnace or A/C running efficiently – especially during peak seasons to keep family! Make an informed choice replacement furnace filters, made of spun glass, last an of...

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