- Effortless water flow control: Modernize your aquarium care with our water flow control valve. You can easily adjust the flow or stop it completely to create optimal circulation, giving you greater control and easier operation. - Universal compatibility: Control the flow to fit your tubing needs. Compatible with standard tubing sizes including 12 mm (0.5 inch) ID and 16 mm ID, ensuring precise flow management for the right hose size and an optimal aquarium experience. - Material and durability: Made from erosion resistant PP material, this valve is easy to use and built to last. Polished surfaces look attractive and provide a comfortable grip, delivering reliable performance for your aquarium requirements. - Easy to use and maintain: To switch to an open position for cleaning, simply close both valves to pause the flow and detach the tank from the filter for straightforward maintenance. - Practical use scenarios: - During water changes: Dial in the exact flow rate to minimize disturbance to fish and décor while you perform the change. - During filter maintenance: Isolate the tank from the filter quickly and cleanly without draining or shutting down the system. - In high-flow or sensitive setups: Precisely tune flow to protect delicate species or to achieve the desired circulation without creating turbulence.