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