The ATS DWS-30C system is a point-of-entry 30 gallon per minute NSF Standard 55 Class A certified system that treats visibly clear but microbiologically contaminated water to meet public health standards. The DWS-30C features 4 lamps and sleeves to achieve the desired flow rate. 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.