The Box Fan Filter for 20 in. box fans is custom-sized to fit almost all 20 square box fans. It is made of a special blend of polyester synthetic media that is designed to be washable and air dried making it good for multiple uses. The filter protects you from large particles sticking to your fan and the further spread of airborne contaminants.

Manufacturer: AC-Safe

Manufacturer part number: FF-20

$9.99

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AC-SAFE FF-20 AC Safe 20 in. W x 20 in. H Polyester Box Fan Filter (1 fan filter + 4 filter clips) (PK-6-EA)

$9.99

Qty: