20x20x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack Drying Racks BX BIOFUNGICIDE + MYCORRHIZAE -

BX  BIOFUNGICIDE + MYCORRHIZAE - general purpose

Made from high-quality UV coated and FDA approved plastic

2 × Adjustable Rope Clip Hanger

This precision digital humidistat is designed specifically for the Anden steam humidifier

20x20x4 (3 5/8) Pleated MERV 8 Air Filters 6 Pack Drying Racks BX BIOFUNGICIDE + MYCORRHIZAE -Important 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