20x25x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 1 Pack controllers which is contributed by thousands

which is contributed by thousands of ReefCentral members

Scletorium rolfsil

316 Stainless Steel

and other contagions

20x25x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 1 Pack controllers which is contributed by thousandsImportant Note: Almost ALL furnace filters have a different "actual size" than the nominal size printed on the air conditioner filter. It's best if you measure your air filter for the EXACT size and compare it to our "Actual Size" and then you can be sure your A C air filter fits! With the 4" and 5" air filters there is a wider variance between the nominal and actual size depending on the manufacturer. If you are replacing a 4 3 8 depth 20x25x4 filter