• Manufacturer: Watts• MPN: W-1812-50• Type: Residential Membrane• Size: 1.8" x 11.75"• Permeate Flow Rate: 50 GPD• Nominal Rejection: 96%• Watts Membrane Elements will fit a standard 2” x 12” residential membrane housingWatts W-1812-50 RO Membrane residential membranes (thin film composite)Thin film composite membranes meet or exceed industry standards. These Reverse Osmosis membranes are specially designed for use in Tap Water applications.Standard Operating Limits• Gallons Per Day Rated: 50 GPD• 96% Nominal Salt Rejection• Membrane Type: TFC• Material: Polyamide• Configuration: Spiral-wound• Maximum Operating Temperature: 113°F • Maximum Operating Pressure: 125 psi • Maximum Feed Silt Density Index (SDI): 5• Max. turbidity (NTU): 1• pH Range, Continuous Operation: 3 – 10Specifications based on 77 ̊F (25 ̊) temperature and 60 psid pressureDimensions• Outside Dimension: 1.8 inches• Length: 11.75 Inches