Aquafine CSL-16R/60 ultraviolet sterilizer with a flow rate of approximately 332 gpm of fresh water or 400 gpm of RO/DI water. Power requirements are 118 volts, 60 hetrz, 13 amps. Inlet and outlet are 4 inch raised face flange connections. Features include lamp operational display, irradiance meter and hour meter. Included are used lamps and sleeves which are not gauranteed.