16x20x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack harvest-solution PPFD - 2703 μmol @

PPFD - 2703 μmol @ 12” vertical distance

Black & White Panda Film 32'x100' 7mil

this blend promotes a stronger root system

The materials inside the inner glass envelope are the salts that compromise the proprietary gas chemistry in SupremeLux Lamps

• One piece greenhouse cover

16x20x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack harvest-solution PPFD - 2703 μmol @Important 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 16x20x4 filter