Furnace Air Filter Sizes

Ensuring that your filter fits properly in your hvac system means making sure that you have not only the right length and width but also the thickness of your filter.

Furnace air filter sizes.

Filtrete 16x25x4 nominal size 15 88x24 56x4 31 ac furnace air filter mpr 1000 dp micro allergen defense deep pleat 2 pack exact dimensions 15 88 x 24 56 x 4 2. Most standard air filters are 1 2 inches in thickness. Whereas media filters are typically 3 to 5 inches in thickness. Posted on november 19 2018.

Currently the most common size furnace filters are 10x20. This honeywell 16 in. Pleated fpr 10 air filter captures a high percentage of household air particles including those which are most harmful to your lungs. Filtrete tower room air purifier large room 290 sq.

The most common ac filter sizes and furnace filter sizes are the 16x20x1 air filter. There are hundreds of variant sizes of furnace filters because air filters and furnace are both the same. If you can t find nordic pure in your size or if you prefer to buy and pick up a new filter in a store immediately honeywell s fpr 9 filters and filtrete s mpr 1500 filters are similar. Furnace air filter guide.

What size do furnace filters come in. There are different types and sizes offering different benefits for cleaner air and hvac equipment. What s the difference between nominal size and actual size. When searching for a 16x25x1 air filter for example you ll likely see 15 5 x 24 5 x 75 listed.

What is the most common size furnace filter. Nearly all ac filters go by the nominal size which is the actual size rounded up to the nearest inch. By using the nominal size you can order a new air filter that slides in and out of place with ease. 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.

While there are no standard furnace filter sizes that will fit all models the most common filter dimensions include. The furnace air filter is a critical component of any forced air hvac system.