Ozone Air Purifier Advantage Features: With knob to adjust ozone volume With 3 ozone plates, which are easily cleaned by water, no need for replacement With red LED light Compact design and portable Low energy consumption Low maintenance Quiet Operation Product Size: 343L x 277W x 245 (mm) Net Weight: 4kg (8.9 pounds) Efficient area: 3500sq.ft. (325sqm) Application: For Commercial use only