20x25x4 (3 5/8) Pleated MERV 8 Air Filters 1 Pack Bio-Fertilizer - Output 2 (top) for

- Output 2 (top) for temperature or humidity control

Eliminator’s proprietary formula is made in handcrafted batches to ensure maximum quality control

• 120/240V Smart-volt out of the box (120V cord included

Customers tell us many new varieties respond very strongly and reliably to Purple Maxx

20x25x4 (3 5/8) Pleated MERV 8 Air Filters 1 Pack Bio-Fertilizer - Output 2 (top) forImportant 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