Pack Size

1 pk.

Transform your household box fan in four simple steps for cleaner indoor air. Duck® Brand Box Fan Filter attaches to any standard 20-inch box fan in seconds, then gets to work collecting dust, dander and other particles to help clean the air and keep your fan blades free of debris. No more disassembling your fan to scrub the blades — the Duck® Box Fan Filter efficiently draws dust and particles into its filter and catches them to keep your fan cleaner. This economical fan filter is easy to wash so it can be reused again and again.