20x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack fluorescent-lighting protect plants against disease

protect plants against disease

Aquaponics

Made from only the finest ingredients including coarse peat

Part A of this easy-to-use two-part formula

Misting: Mix ½ tsp

20x20x4 (3 5/8) Pleated Air Filters MERV 15 Plus Carbon 2 Pack fluorescent-lighting protect plants against diseaseImportant 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