The DWALT Fine Cartridge Filter is a washable and reusable clean collect cartridge filter that provides powerful particle filtration down to 1m. A patent-pending clean collect system means easy, secure, and quick installation and emptying without the mess seen elsewhere. Washable fine cartridge filter design that can be reused Perfect for collecting dirt, debris, sawdust, and more Collects particles of all kinds to 1m at 99% efficiency Patent-pending clean collect for easy installation and removal Suitable for wet debris, liquids, sawdust, wood chips, jobsite debris, car and truck dirt, concrete dust, and ashes