Stanley cartridge filter is designed to take on both wet and dry pick-up. It will fit Stanley 5 Gal. to 18 Gal. wet/dry vacuums. The high-efficiency filter material is built to take on tough jobs like cement dust, drywall dust, debris and more. Fits Stanley 5 Gal. to 18 Gal. wet dry vacuums Reusable filter High efficiency material Designed to pick up cement dust, drywall dust, etc.