5mm Check Valve - Carbon Dioxide, Acid and Alkali Resistant

Check valve allows flow of liquid or gas in one direction only, automatically blocking the flow in the opposite direction. One of the applications is to prevent backflow of water or overflow of water in aquarium, thus protecting your apartment from flooding. The non-return valve is used for hose or silicone tubing in aquarium water pumps, in irrigation, aeration, sprinkler systems and many of your own DIY projects. This check valve is suitable for silicone tubes and hoses with a diameter of 5mm. Application is made by pressing the connector into the hose but can be also clamped. The valve is made of high-quality plastic, which ensures long-term and reliable operation. Technical data Outer diameter of connections: ~ 5-6mm Internal diameter of the holes: ~ 3mm External dimensions: 39x19mm Material: Acid and alkali resistant ABS