20x25x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack Grow1 5' Steel Stake Fight the Funk with Funk

Fight the Funk with Funk Fighter

the Stealth has a 2:1 waste to product water ratio

0 PPF/Watt

Heavy-Duty Aluminum Construction – Rust-free and built to withstand harsh outdoor conditions season after season

- GeoPot fabric pots’ breathable fabric allows for superior drainage and aeration of your root-zone

20x25x4 (3 5/8) Furnace Air Filters MERV 8 Pleated Plus Carbon 2 Pack Grow1 5' Steel Stake Fight the Funk with FunkImportant 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 20x25x4 filter