20x25x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack spl_ps 3ft Grow Tent(1680D Canvas)

3ft Grow Tent(1680D Canvas)

Adjust-a-drive motor w/6' rail plus mounting hardware

B-Lite 315W CMH

Apply as a foliar spray using standard spray equipment

and overall plant vitality with precision-balanced nutrition

20x25x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack spl_ps 3ft Grow Tent(1680D Canvas)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 20x25x4 filter