... : ≥500mg/hOzone water timer: 5min, 10min, 15min, 20min, 25min, 30minOzone air timer: 15min, 30min, 60minAccessory: silica gel tube 1.5m, bubble ... . Function or Brief manual on below:(1). Air purification1) It extremely purifies the air and remove toxic substances including the bacteria, lampblack ...