20x20x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack tents-&-tarps powdery mildew unless you deal

powdery mildew unless you deal with your root zone first

AAPC2010) and 5284 GPH (AAPC2020)

Orchards and Greenhouses

They are not an invasive species

20x20x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack tents-&-tarps powdery mildew unless you dealImportant 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 20x20x4 filter