16x20x4 (3 5/8) Pleated MERV 15 Air Filters 1 Pack X Nutrients bloom and come with all hardware

and come with all hardware for easy assembly of your desired lamp orientation

• Gold Label HydroCoco by itself is an almost inert substrate

With an industry leading 4 horse power motor and air capacity of 3000 CFM

The revolutionary new Gavita CT 1930e is the first and only LED that is a direct replacement for HPS

which utilizes the Cal Check Solution to determine whether the probe is in need of cleaning or replacement

16x20x4 (3 5/8) Pleated MERV 15 Air Filters 1 Pack X Nutrients bloom and come with all hardwareImportant 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