Check the listing for details. Aquarium Hose Valve Connector with Quick Release Handle and Control Valve Filter. Condition: New. Listed at 15.99 USD. Features:1.Made of high quality plastic with special design, durable and long lasting product at reasonable price.2.Water leakage proof, rust and corrosion resistant, polished surface enables you to grip comfortably without hurting your hands.3.Suitable for water and salt water, also can be used for devices such as filters, pump return lines, protein skimmers, etc.4.Quick install, quick release, just turn off two valve, switch the connector to open position, you can simply set fish and the filter apart, easier cleaning.5.Several choice of different specifications, 12mm valve is suitable for hose with inner diameter of 12mm/0.5inch and external diameter of 16mm/0.6inch, 16mm valve is suiable for hose with inner diameter of 16mm and external diameter of 22mm/0.9inch. Specifications:Material: PlasticSize :-12mm Valve: 17.4cm/6.9inch-16mm Valve: 18cm/7.1inch-12mm to 16mm Valve: 18.5cm/7.3inch Package List:1pcs Hose Valve. Choose your size.