20x20x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 1 Pack Chemicals 2-speed high efficiency motor with

2-speed high efficiency motor with 10 foot cord

Uses acrylic adhesive to seal gaps in ducting and prevent moisture and emissions from seeping in or out

We can protect the crop right up to harvest without worrying about residue

maintaining a precise 62% RH target throughout the pack's active life

” or BioTill

20x20x4 (3 5/8) Pleated Air Filters MERV 7 Plus Carbon 1 Pack Chemicals 2-speed high efficiency motor withImportant 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