20x25x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 2 Pack Pumps & Irrigation - Multi Flow Bubbler

- Multi Flow Bubbler

Each Fan | 120 x 120 x 38 mm ( 4

Features an inline speed controller utilizing PWM-technology

• Reduce fungus and bacteria by reducing their ability to adhere to the plant

20x25x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 2 Pack Pumps & Irrigation - Multi Flow BubblerImportant 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