FilterPal HD [1 Pack] - The Dust Stops Here! Polyester Made in USA FilterPal Covers and Protects Your Expensive Paper Cartridge Filter Stop Clogging Landfills, Stop Wasting Money on filters! Reusable and Machine Washable for easy cleanup! This is NOT a disposable filter, it is totally reusable and green! Environmentally Friendly and proudly made in the USA!