What are the most common air filter sizes? · 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 · 20 x 30 x 1 · 12 x 12 x 1.Filters are labeled with three-part dimensions. The first number is its length, the second is its width, and the third is its depth or thickness. Most Popular Sizes 1 Inch Air Filters The oven filter size chart below shows the standard size 1 inch, 2 inch, and 4 inch deep air conditioning filters for your air conditioning, oven, HVAC and Atomic Filters filters. We also offer custom-sized filters.
Select the size to see a collection of oven filters for that size. If you need to know more about MERV ratings, see our Air Cleaner Knowledge Page. Filters are generally listed by Nominal Size, which is a rounded number, based on the actual dimensions of the filter, which are called the actual size. General 1 inch pleated AC filters are changed every 2 or 3 months depending on usage.
Environments with smoke, heavy dust (e.g. desert), or pets may need a more frequent air filter change. When should a filter be changed? A filter must be changed when loaded with particulate matter, as directed by NAFA (National Air Filtration Association). Whole house AC filters with a size of approximately 3 to 6 inches wide can have a lifespan of 6 to 12 months, depending on environmental conditions.
Lennox X6672 HCF16-16 Healthy Climate 16x25x5 Merv 16 Filter I am replacing the electronic air filter in my oven and I need a 5″×13″×20″ filter. Step 1: Measure Length and Width (L x W). If the filter is not square, the smallest measurement goes first). Scroll down to furnace and AC filter sizes in the table Now instantly improve air quality by choosing the right MERV rating because your family deserves the best.
If you use a room air purifier and need to replace the filter, it's important to find the correct size replacement HEPA filter. If that doesn't work, you may be able to find the proper dimensions of the air cleaner in your HVAC manual. But if your system needs custom-sized air filters, keep in mind that we offer custom sizes ranging from 8 x 24 x 1 to 25 x 30 x 1.On the other hand, if the filter is too large, the frame will wrinkle, airflow may be restricted, and longevity will be compromised. Here's a fun fact: 70% of what Filterbuy sells falls outside the 10 most common air filter sizes.
You can find the recommended filter size for your unit model here in the table titled “Find your air conditioner and oven filter by make, model number and size. When buying a custom-sized air filter, it's important to remember the difference between nominal and You wouldn't want to fit a 1 air filter in a 2 slot because the air takes the path of least resistance and will flow around the filter rather than through it if it's not the right size. Colorfil filters, originally built for NASA, help eliminate chemicals and odors at a molecular level that normal air filters can't. Measure It Yourself If the dimensions are too faded to read or there is no air filter to look at, it's time for the DIY method.
If the filter is not the correct size, either too small or too large, air will flow around the filter rather than through it and, as a result, not all of the air will be filtered. Most major retailers, such as Walmart, Target, and Home Depot, offer air cleaners, albeit with a different variety of options and brands to choose from. Please note that the model number of many filters is very similar, check the actual size (actual measured dimensions of the filter) to make sure you have the correct filter. .