20x20x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 2 Pack LUXX 200W BAR 208-277V The bin’s high molded walls

The bin’s high molded walls and rounded edges keep all plant materials contained

The Anden 4856 Dehumidifier Pump Accessory Kit provides a simple solution to empty excess water from the unit

12''x40'' Funk Filter Carbon Air Filter

Product: CoirNet G200

K-L-N Concentrate can be easily applied after cuttings are stuck through an injector

20x20x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 2 Pack LUXX 200W BAR 208-277V The bin’s high molded wallsImportant 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