Clean and sanitize without chemicals. Removes rust, scale and dirt from most surfaces. Excellent for safely removing adhesive tape from glass, price stickers from stainless steel, and decals from painted student lockers. A “must” item for cleaning and sanitizing wheel chairs in nursing homes. The DE 4002 never runs out of steam with our “fill on the fly” system. No waiting for steam after running out of fresh water. Visible and/or audible alert warnings for low water, low steam, de-scaling, and temperature. Variable steam volume.