In-Line Water Filters descriptions： We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. Reverse Osmosis Membrane Housing 50/75/100 Gpd Replacement, In/out Ro/aquarium. Features: This Membrane Housing Used for 50/75/100 GPD RO Membrane Double O-Ring Design on Inlets and Oulets Gives More Pressure-resistant Than Single One NO Leak Specifications; 12-7/8"(325mm) Overall Length 2.5"(63mm) Diameter Package Include: 1 * Reverse Osmosis Membrane Housing 50/75/100 GPD 2 * 1/8" Elbow Quick Connector 1 * 1/4" Flow Restrictor (350CC As Default, Please Mark Down the Model of the Flow Restrictor You Need when You Place the Order, 300CC - RO 50G / 350CC - RO 75G / 450CC - RO 100G) 1 * Non-return Valve 1 * RO Membrane Housing Wrench 2 * RO Membrane Housing Pylons 2 * Tube Seat Clip 1 * PTFE Tape 1 * 1/4" RO Tube (2meters) . Products number : SOMONO100887