Add to cart RO Membrane 75 gpd $75.95 The Vontron 75 gpd RO Membrane is designed with a thin layer composite to provide high quality water filtration from a wide range of water sources. Innovative thin layer composite membrane design Provides high rejection stability even with high TDS Less fouling, less frequency cleaning and more consistent 100% dry membrane maximizing shelf life Lower consumption of chemical and longer life Standard dimensions to fit in commonly available housings Add to Wishlist