The Shop-Vac® super performance dry filter must be used in combination with a 90585 foam sleeve. Save money and another trip to the local store with these economical, reusable disc filters. Just wash and reuse. Made from durable Dacron® material and comes with easy-to-use mounting ring. Ideal for pickup of larger debris and dry material. This filter fit's Shop-Vac® brand wet-dry vacuums 5 gal and above (except 5 gal portable model H87S, 5 gal HangUp®, 5 gal wall-mount and 6 gal long-life model P12S Vacuums).