O3 Technologies Co., Ltd. introduces the Model FD-Y500 ozone water purifier, designed for in-series installation with an incoming water source. Features include a built-in water flow sensor that switches the unit on automatically when water is turned on, producing ozonated water directly from the tap. The air-cooled unit produces 0.3-0.5 ppm ozone concentration using corona discharge at a rate of 500 mg/hr. with water flow rate of 1.3-3.9 gpm (5-15 L/m). http://www.o3-technologies.com, [email protected]