Product Name : 3rd Generation Domestic Ro membrane SPECIFICATIONS: Model(3G) 1812-50,1812-75,2012-100,2012-150,3012-300,3012-400 Pressure: 60psi Salt Rejection(%): 98. Flow Rate(GPD): 50,75,100,150,300,40 Effective membrane area3.5/4.2/5.0/5.2/36/40ft2