20x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack Hand Tools It's proven design and high

It's proven design and high quality materials combine to deliver higher quality trimming to your harvesting project

Up to 200 cfm for the Coco

Operate in ambient temperatures between -40°C (-40°F) and 35°C (95°F) when suspended

As impressive as they are

Leaf Spot diseases

20x20x4 (3 5/8) Furnace Air Filters MERV 12 Pleated Plus Carbon 6 Pack Hand Tools It's proven design and highImportant 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