20x20x4 (3 5/8) Pleated MERV 13 Air Filters 1 Pack Power & Lamp Cords humus-acids and fulvinic-acids through which

humus-acids and fulvinic-acids through which the plant can optimally absorb all nutrient

purple stem

Net Weight: 81

For use in generally cooler climates

Use it carefully as a spot treatment around garden edges

20x20x4 (3 5/8) Pleated MERV 13 Air Filters 1 Pack Power & Lamp Cords humus-acids and fulvinic-acids through whichImportant 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