Aquafine RBE-24R/60 ultraviolet disinfection unit with a flow rate of 520 gallons per minute for fresh water or 630 gallons per minute for RO/DI water. This unit takes 24 lamps and requires 120 volts, drawing 14.5 amps. Fittings are 4 inch raised face flange connections. Features include remote electrical cabinets, relative irradiance meters, lamp operational display lights and hour meters showing 772 hours. This unit includes used lamps and sleeves that are sold as is.