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

helping improve nutrient uptake

The SG ballast is built to last and features our patented Lock & Seal plug system design that allows electrical contact to happen only when a seal is achieved

outside in fields or in greenhouses

What maintenance is required

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