GE Osmonics TFM-50 Reverse Osmosis Membrane fits virtually all standard sized reverse osmosis housings. These membranes can be used to replace: Dow Filmtec reverse osmosis membranes Desal reverse osmosis membranes Home reverse osmosis membranes AMI reverse osmosis membranes And any other standard size membrane on the market This membrane will fit many different reverse osmosis systems such as: GE Ametec Erie Watts Clearchoice Aquafine Aquasmart And many, many others. These high quality reverse osmosis membranes reduce barium, cadmium, chromium III & VI, copper, fluoride, lead, mercury, nitrate, nitrite, radium, selenium, and TDS.