... cooling ceramic tube 3, CE approval, Plug & play 3-6g/hr ozone generator ozone machine with CEFeatures of ozone machine:1. Ozone output adjustable ... continuously 3. Built-in ceramic ozone genrator tube.4. Feed with air5. CE approval6. Ozone capacity: 3 G/Hr, 5G/Hr, 6G ... -600600-800800-1000 3-6 g/hr ozone generator ozone machine with CE