1.CE, ROHS Approved 2.O3 output can be adjustable by your require 3.Best compatibility to ozone tube 4. high conversion rate Welcome to Sihon Electronics Co., Ltd.!! 150W Ozone Transformer For Water Treatment 1. Usage:Used in household water purifier, large purifier, ozone machine, sewage disposal facility,water purifier,water dispenser,washer,swimming pool,drinking water,aquaculture and so on. 2 ...