20x20x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack post harvest Fixture Wattage: 640 Watts

Fixture Wattage: 640 Watts

Strikes both metal halide and high pressure sodium bulbs

Full-spectrum 610 Watt LED light made in the USA

Recommend: 2 gallons / acre

Super reliable

20x20x4 (3 5/8) Pleated MERV 12 Air Filters 1 Pack post harvest Fixture Wattage: 640 WattsImportant 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