20x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Pack king shredder - Charcoal 7gal - 14inW

- Charcoal 7gal - 14inW x 11

Scab and Flower

100% BPA free virgin ABS plastic cap over recycled ABS plastic core

The fans include an in-line multi-speed controller with power switch to set the fan’s speed to optimal noise and airflow levels for various environments

• Tag slots available on some sizes

20x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 2 Pack king shredder - Charcoal 7gal - 14inWImportant 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