Shop for Appliances at The Home Depot. The Keystone SMARTVAC self-cleaning, handheld dry vac features a fine dust filter with 2-stage filtration with a self-cleaning filter system. The 2-stage filtration system consists of a pre-filter and a post-filter to provide a clean, safe home environment by capturing 90% of particles down to 0.4 microns including cold ash and fine dust. The innovative filter cleaning system reverses the air flow to keep the 2-stage filter clean, insuring peak performance and dramatically increasing the life of the filter. Lightweight, powerful and portable with a removable shoulder strap, SMARTVAC makes quick work of dry messes either indoors or outdoors. With the 16 ft. power cord, 3 ft. hose, crevice tool and upholstery tool, you'll have the leeway to get to any mess in the car, workshop or house. Color: Blacks.