APEC Water RO-PH90 Ultimate Alkaline Mineral 90GPD 6-Stage Reverse Osmosis Drinking Water System Selling Unit: Box Type: Reverse Osmosis Systems Membrane Type: TFC (Thin-Film Composite) Size/Dimensions: 15 x 7 x 18 inches Pumping Rate Required GPM: 1 GPM Connection: Quick Connect Maximum Pressure: 90 Psi Maximum Water Temperature: 100 F