Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 15 Plus Carbon 1 Pack growing-accessories provides excellent water drainage for

provides excellent water drainage for faster dry-down times

• Water level sensor manages the water level in the steam canister to prevent overfilling

Hydrofarm's new Phantom CMh System combines our Phantom CMh reflector with the multi-voltage Phantom ceramic halide-specific digital ballast and the Philips double-jacketed Master Color 942 CDM Elite MW 315W T12 ceramic metal halide lamp

* Special IR blocking top

Air Bear 20x25x5 (4 7/8) Air Filter Replacement MERV 15 Plus Carbon 1 Pack growing-accessories provides excellent water drainage forImportant 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 5 1 4 inch depth filters,