Sterisil AC+ System produces autoclave water for areas with water containing >250 PPM TDS. In-office water purification for practices with source water containing between 150-500ppm TDS. Delivers water containing <10ppm TDS for washers and autoclaves. Onboard UV light ensures dispensed water is suitable for use in dental units. Audible and visual alarms make maintenance easy and reliable. Mounts under a cabinet or on the wall. Includes a UV bulb.