XUEMEI Product name: check valve Product material: stainless steel Scope of application This calibration value applies to carbon dioxide supply systems such as aquariums and aquariums. Maintenance Life This one-way check valve prevents water from being poured into the aquarium due to repair, maintaining the functionality and longevity of the CO2 cylinder. When the anti-corrosion is used in the ozone generator, it can prevent the ozone from flowing back to the air pump and corroding the propeller. Efficient and flexible Our aquarium control values protect against backflow due to power outages. [Premium Material] Made of stainless steel, very durable. Number of pieces shipped: 1 piece Product color: as shown Product size: (approx.) 39 x 8 mm
