Common Air Filter Sizes

Length and width are technically interchangeable but for discussion purposes a 12x20 is 12 inches long and 20 inches wide.

Common air filter sizes.

Most common air conditioner filter sizes. Some other common sizes are. 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. There are hundreds of variant sizes of furnace filters because air filters and furnace are both the same.

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. Our product assortment contains every hard to find size you can imagine in addition to custom sizes depending on your specific needs. 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. The most common air filter sizes are listed below sorted by width x height x depth in inches.

Below are lists of the most common air filter sizes by depth. Buy products such as filtrete allergen reduction hepa type room air purifier filter f1 at walmart and save. Shop for air filters in heating cooling air quality. Us home filter makes over 80 standard stock sizes that local stores do not have the shelf space for nor the inventory capacity to keep them in stock.

Furnace filters come in a range of sizes and different brands and types of furnaces use different 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 air filter companies like us to keep in stock. A 16 x 20 filter will have actual dimensions of 15 1 2 x 19 1 2. All of these ac filter sizes can be found in the air filter size chart.

We do manufacture and stock them all because that s our business. 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. Standard air filter sizes may vary slightly. 16 x 20 x 1.

A high quality permanent washable air filter will outlast the life of your hvac system. Currently the most common size furnace filters are 10x20. Most standard air filter sizes are kept in stock. 20 x 25 x 1.

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 size do furnace filters come in. There are only about 10 of the most common air filter sizes available at retail locations. First let s talk about length and width.

20 x 25 x 5. At air filters delivered we offer more than just standard size filters. Which means they can ship out within 24 48 hours. Air filters aren t meant to be snug.

Take a look at our dusteater and lifestyle series. By using the nominal size you can order a new air filter that slides in and out of place with ease. Standard size air filter facts. 20 x 20 x 1.