20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack Grow Light Ballasts L24-20P Plug

L24-20P Plug

Silicone vacuum pad

Warranty : 5 Year Standard Warranty

Sturdy stainless steel clips can hold heavy harvest—up to 0

A reflector and cooling duct in one

20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack Grow Light Ballasts L24-20P PlugImportant 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 20x20x4 filter