20x20x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 1 Pack Hydro Components or gray mold) and powdery

or gray mold) and powdery mildew

12 ft power cord and on/off switch allow for easy operation

Leafy Vegetables

Blend into native soils

The all natural ingredients in our formula increase soil fertility and feed soil microorganisms while suppressing soilborne plant pathogens

20x20x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 1 Pack Hydro Components or gray mold) and powderyImportant 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