Air Bear 20x25x5 (4 7/8) Replacement 266649-102 MERV 15 Air Filters 2 Pack cleanroom Extension Kit 8’11” Weight 50

Extension Kit 8’11” Weight 50 lbs

Hydrofarm has made it easy to start a tent grow by gathering several vital components into one package

Max coverage: 4 x 4

- Reflector Dimensions: 19

The heating mat is additionally rated for fire resistance and safe temperature regulation

Air Bear 20x25x5 (4 7/8) Replacement 266649-102 MERV 15 Air Filters 2 Pack cleanroom Extension Kit 8’11” Weight 50Important 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,