Shop-Vac CleanStream® Gore® HEPA cartridge filter is the ultimate filter for wet and dry pick up. It is made of HEPA material that maintains suction power even when used with fine debris like drywall dust! The exclusive nonstick surface resists clogging. Easy to clean, just tap or rinse. Reusable! One Year Satisfaction Guarantee! It fit's Shop-Vac brand wet or 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).