This aquarium hose valve is made of high quality plastic with special design, durable, resistant to water leakage, rust and corrosion, polished surface allows you to grip comfortably without hurting your hands. quick installation, quick release, just turn off two valves, put the connector in the open position, you can simply separate the aquarium and the filter, easier cleaning. Suitable for fresh water and water of sea, can also be used for devices such as filters, pump return lines, protein skimmers, etc. Polished surface protected against water leakage, rust and corrosion resistant allows you to comfortably hold your hands without hurting your hands. 1PCS Fish Tank Valve Quick Release Connector.