20x25x4 (3 5/8) Pleated MERV 14 Air Filters 1 Pack shoe-cover POWER: 400W

POWER: 400W

First of its kind

but in a controlled garden environment this key element is often missing

Apply every 2-3 days during infestation

Weekly release programs available

20x25x4 (3 5/8) Pleated MERV 14 Air Filters 1 Pack shoe-cover POWER: 400WImportant 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