20x25x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 6 Pack reflectors and grow lights feature convenient transport/hanging handles

feature convenient transport/hanging handles

Seaweed is ultra-concentrated and must be diluted with water for use in irrigation solutions or as a foliar spray

Unit Compatibility: 777119

adventitious roots along the base

Electrical Port Quantity 4 (3")

20x25x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 6 Pack reflectors and grow lights feature convenient transport/hanging handlesImportant 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