Made of HEPA material that maintains suction power even when used with fine debris like drywall dustExclusive non-stick surface resists cloggingEasy to clean, just tap or rinseFor use with non-hazardous, non-toxic, non-flammable materials onlyFits Shop-Vac® wet dry vacuums 5 gallons and above (except 5 gallon portable model H87S, 5 gallon HangUp®, 5 gallon Wall Mount and 6 gallon long life model P12S Vacuums)