Used two-pass Reverse Osmosis System was made by US Filter (MODEL #51760-01). Built 2001. Skid mounted. It was used in biopharmaceutical production. Make-up flow rate: 55 GPM (gallon per minute). First pass flow rates: feed 76.3 GPM; product 49.4 GPM. Second pass flow rates: feed 49.4 GPM; product 42 GPM. 5 RO pressure vessels - 20 spiral wound, thin film RO membranes. Salt rejection 98%. RO pump: 76.3 GPM @ 411 PSIG, 460 V/3 phase/60Hz, 42 FLA, 25 HP. Ultraviolet sterilizer: 120 V/1 phase/60Hz. RO rejection break tank: 155 Gallons, 36 inch ID x 74 inch straight side - RO rejection pump: 76.3 GPM @ 411 PSIG, 460 V/3 phase/60 Hz, 42 FLA, 25 HP. Overall dimension: 88-1/4 inch x 204 inch x 73 inch. Weight: dry 4350 lb, operation 9375 lb.