... lamps, trap lamps, air purifier,steriling machine, toothbrush.... UV lamps for printing machines Features1,Multi-shape are available2,UVA 320-400nm ... s mineral metabolism and Vitamin D forming, this wave is good for people health; UVC 200-275nm are widely applied to ... , air sterilizing and cleaning, sewage treatment project,etc. It is one of the best water purification ways.3,Application: Money ...