20x20x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack nutrients (2) RAW Cane Molasses -

(2) RAW Cane Molasses - 8 oz

The GMC's enclosure features four separate power outlets used to connect external devices such as fans

applied as a foliage spray

What maintenance is required

4% Water Insoluble Nitrogen

20x20x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack nutrients (2) RAW Cane Molasses -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 20x20x4 filter