20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Air Filters MERV 15 Plus Carbon 1 Pack stocked mildew mold and abrasion resistant

mildew mold and abrasion resistant

With a rectangular footprint this fixture is ideal for flowering in smaller grow spaces or vegging in a commercial grow

flowers and thick stems like you’ve never seen before

Roots Organics Seabird Guano encourages vigorous growth and is fast acting for quick results

Made of grey ABS plastic shell for less heat absorption from lights above and greater reflective properties to promote efficient growth

20x25x5 (4 3/8) Lennox X6673_X6675 Replacement Air Filters MERV 15 Plus Carbon 1 Pack stocked mildew mold and abrasion resistantImportant 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 7 8 and 5 1 4 inch depth filters,