20x20x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 1 Pack stocked Rated at 40

Rated at 40

Mildew and Mold

Telephone number: +34 91 562 04 20

Simply pull straight up on the mouthpiece to remove it and access the heating chamber

20x20x4 (3 5/8) Furnace Air Filters MERV 10 Pleated Plus Carbon 1 Pack stocked Rated at 40Important 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