20x25x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 6 Pack lighting Built in 1

Built in 1

700m3h @ 0

it helps manage airflow for lighter buds compared to heavier

Flow: 2117 CFM

Directions for Use: Mix with water or Nature’s Solution Compost Tea

20x25x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 6 Pack lighting Built in 1Important 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