20x20x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 2 Pack BVV aluminum housing and features heat-dispersing

aluminum housing and features heat-dispersing fins on all 4 sides

salts from building up

Features a DC-motor controlled using PWM for a truly quiet and energy efficient performance

Russian Olive

and Pythium

20x20x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 2 Pack BVV aluminum housing and features heat-dispersingImportant 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