Applied area : Ozone Generators use in food processing, for example, seafood processing applications has proven to be a great tool in the quest for food safety as it has in many other food processing industries. There are more potential uses for ozone in the commercial seafood industry than many agricultural food based industries. Not only is ozone useful for food safety, but also for fish growing even odor control during processing. Features: ·Ozone adjustable range: 20%-100% ·Changeable plug for different country ·Easy to operate, fashion design, portable Specifications : ozone output 2g/3g ozone concentration 15-20mg/L power supply 220V/50Hz cooling system air-cooling box material stainless steel 304 ozone tube material stainless steel 316 tube lifespan >=20,000 hours algae removal rate 98% sterilizer rate 99.99% size(L*W*H)cm 23*18*42 (2g/3g)32*26*58(5g) net weight 5.9 kg (2g/h) 6.2kg (3g/h) gross weight 6.82kg (2g/h) 7.1kg (3g/h) warranty one year timer 10 to 60 minutes or continue