Honeywell Media Filter Refill

Honeywell's high-performance Return Grille Media Air Filter features a special design that allows it to fit in the same space as a standard 1" return grille, while offering filtration up to 15 times more effective than a standard 1" fiberglass furnace filter*. Honeywell's return grille filter is a perfect fit for most 1" residential return grilles - either ceiling or wall mount. Filter air flowing through your return to trap dust, pet dander, pollen, mold spores, bacteria and other allergens in your home for up to one year without replacement.