HUINING 2PCS 75GPD membrane Reverse Osmosis Membrane Residential RO Membrane Water Filter Cartrige Replacement for Home Drinking Water Filtration System Household

Specifications: Model:RO-1812-75 Compliance: NSF/ANSI Standard Rejection Rate:97.5% Average Permeate: 75 GPD(0.28 m³/d) Water Recovery Rate: 15% Replacement Cycle: 15 - 24 months ?recommended, depends on your feed water quality.? Compatible Membrane Housing: 1812/2012 Housing Testing Parameters Feed Water Pressure (MPa): 30-100 psi Temperature: 40 - 110°F/5-45°C PH : 3.0 -11.0 Max TDS: 1000 MG/L Solution Concentr.NaCl(ppm): 250 Turbidity: < 1.0 NTU Max SDI <4.0 Hardness: < 5 GPG Iron: <0.1 Note: If you have chlorinated water, we recommend you use a Carbon/Sediment Pre-Filter. The residual chlorine in municipal or city water will destroy the membrane. If hardness is too high, we recommend you install water softener before RO unit. Package 2 * 75GPD Ro membrane