20x20x4 (3 5/8) Pleated MERV 15 Air Filters 2 Pack microbes combined with an organic surfactant

combined with an organic surfactant that helps with uptake and overall solubility

Approved for organic use

including on flowering plants and the flowers themselves

7 lbs – 1 lb (0

Wattage: 660 Watts

20x20x4 (3 5/8) Pleated MERV 15 Air Filters 2 Pack microbes combined with an organic surfactantImportant 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