Shop-Vac 90304 Cartridge Filter, Single Pack EFFICIENT FILTRATION: The pleated cartridge design on this wet dry vacuum filter provides more surface area to improve airflow & reduce clogging to capture dirt better than sleeves & bags. The media captures particles in everyday messes at home EASY TO USE: This 1-layer pleated paper filter is designed to be a high quality replacement for most 5-gallon vacuums. It's easy to install & replace. To get optimal performance out of your vacuum, replace the filter at least twice a year with average use POWERFUL & ADAPTABLE: Our wet/dry vacs are your all-in-one solution for everything from household messes to heavy-duty workshop cleanup, featuring a wide selection of adapters, filters & accessories that make our vacuums a versatile tool for any task LIVE, WORK, PLAY: Our wet-dry vacs were made to take on life's messes at the jobsite, home, car or workshop. They come with a variety of accessories, including filters, hoses & attachments for pet groomers, car detailers, landscapers, homemakers & more SUPERIOR QUALITY: Our all-in-one multi-surface wet/dry vacuums and accessories are created for power, efficiency and convenience. Compare our vacuums to similar products by Ridgid, DeWalt, Stanley, Bissell, Crosswave, Craftsman, Workshop or Vacmaster. Fits most wet/dry vacs 5 gallons and above For dry or minimal wet pick up Genuine Shop Vac Part Easy to Use