Effortless operation Turn the valve 90 degrees to fully shut off water flow, or rotate 180 degrees to adjust the flow. The intuitive design makes control simple and precise for everyday use. Durable and reliable Made from high quality ABS materials, this aquarium hose valve provides dependable, long lasting control of water flow for peace of mind during routine tasks. Wide compatibility Promotes optimal water circulation in your aquarium. Suitable for a wide range of tanks, filters, water pumps, and soft tubing. Enables easy and precise flow adjustment to fit your setup. Easy installation No tools required. Simply insert your hose and start using. Beginner friendly design lets you set up quickly and with confidence. Typical use scenarios - Water changes: use the valve to stop water flow completely during a water change and resume with exact flow control when finished. - Filtration and pump adjustments: dial in the preferred flow to prevent splashes, stalls, or overloading equipment during maintenance. - Drip acclimation or dosing: regulate drip rate for acclimating new livestock or adding liquids, delivering steady, controllable flow. Material and performance highlights - Material: ABS - Function: on/off control and adjustable flow through a simple 90/180 degree operation - Compatibility: works with various aquariums, filters, pumps, and soft tubing - Installation: tool-free, beginner-friendly setup