Pentair GRO-75EN TLC Residential Membrane



Pentair GRO-75EN TLC Residential Membrane uses an industry leading state-of-the-art TLC (Thin Layer Composite) membrane providing high quality water for a broad range of water chemistries. It integrates a 100% dry membrane to help maximize its lifespan and provide enhanced performance to the end user. The GRO-75EN boasts a 50% recovery rate while maintaining a retrofit-able design for easy integration. Double the recovery over standard reverse osmosis elements, Rejection performance comparable to standard reverse osmosis elements, High rejection stability at high input TDS, TLC Thin Layer Composite membrane, 100% dry membrane maximizing shelf life, Available with or without drain line flow control, Capillary style drain line flow control kits available and sized for each GRO model.


  • Maximum Pressure: 125 PSI (6.90 bar)
  • Maximum Temperature: 120 degrees F (49 degrees C)
  • pH: 4-11
  • Free Chlorine: 0.1 ppm
  • Flow* GPD (LPD): 75 (284)
  • Rejection: 96
  • Carton Dimensions- Inches (CM): 11.5″ L x 12″ W x 17″ H (29.2 x 30.5 x 43.1)