The ATS DWS-8C system is a point-of-entry 8 gallon per minute NSF Standard 55 Class A certified system that treats visibly clear but microbiologically contaminated water to meet public health standards. As with the rest of the ATS DWS (Drinking Water Series), the DWS-C series offer simple ultraviolet disinfection with no additional electronics and are completely automatic providing UV disinfection with low maintenance and operating costs.