20x25x5 1/4 (5.25) Goodman/Carrier/Amana Replacement MERV 10 Air Filters 2 Pack Grow System/ Trays/ Reservoirs VLGR technology allows the Anden

VLGR technology allows the Anden 710 to maximize water removal while utilizing less amps

Phantom II CMh 315W Ceramic Metal Halide Digital Ballast

Autopilot CO2 Generator AC Power Adapter

CES pH Down™

Why incorporate flood tables into your indoor growroom

20x25x5 1/4 (5.25) Goodman/Carrier/Amana Replacement MERV 10 Air Filters 2 Pack Grow System/ Trays/ Reservoirs VLGR technology allows the AndenImportant 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. We also carry 4 3 8 and 4 7 8 inch depth filters,