20x20x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack cococube Teaming with Microbes: A Gardener's

Teaming with Microbes: A Gardener's Guide to the Soil Food Web

Max Sensors:           13 pcs per Alarm channel

125”) x 20 mm (0

Minimum Order Quantity: 40 bags

so you can augment whatever setup you've already got in place or are thinking of adding to your grow room

20x20x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack cococube Teaming with Microbes: A Gardener'sImportant 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