Now we have a really perfect number of Membranes merchandise including the PuROTwist Q TFC 75 GPD RO Membrane with FC (TQ56-75FC) at unbeatable costs.The PuROTwist Q TFC 75 gpd ENC RO Membrane, TQ56-75FC, offers a glide rate of 75 gpd. The PuROTwist TQ56-75FC reduces cadmium, lead, copper, mercury, radium, and more and will have to get replaced each and every two years. The PuROTwist Q TFC 75 GPD ENC RO Membrane with FC is an encapsulated membrane with the housing and glide keep watch over included.