LUS Commercial Ozone Generator 3500mg Industrial Grade O3 Air Purifier Deodorizer Sterilizer Zinc-coated casing (blue) Zinc-coated casing, has very good rust resistance The ozone generator can be used anywhere: commercial building, home, restaurant, school, bar, automobiles, hotel etc. Ozone output: 3500mg/h Compact and lightweight: 11.81 (L) x 5.91 (W) x 7.09 (H), 4.85 lbs Power: 65W, 110V AC Timer function