PollenTec fan filter fits most 16" Circular fans combined with Poly Flo layer filters Airborne Pollen Dust Mold Spores Pet Dander Washable Keep`s your fan clean US Made FAN NOT INCLUDED: The product includes the single filter only and NOT the actual fan shown in the product photo. KEEPS IT CLEAN: Our filters will keep your fan cleaner and lasting longer. The leading cause of fan failure is dust and dirt build up. TESTED MATERIALS: We use certified tested filtration materials. Capable of capturing airborne pollen allergens, household dust, dust-mite debris and pet dander. WASHABLE: The fan filter is washable, reusable, and most importantly economical. (DO NOT WASH IN A WASH MACHINE). Simply follow the provided washing instructions below and the filter will look brand new, wash after wash, for over a year and longer. MADE IN THE USA: We have all stages of manufacturing completed within the United States.