... UV light water filter:L5 use for:Drinking water disinfection, tap water, pure water; Food and beverage water, industrial process water; Swimming pool and spa, scenery water, irrigation water; Waste water ... disinfection agent itself are highly toxic and flammable material. While UV sterilizer has no such potential safety hazard . MODELL5-14wL5-23wL5-40wL5 ...