PRODUCT APPLICATIONS
These check valve aquarium are designed for CO2 supply systems in aquariums and fish tanks. Attention: These check valves are suitable for use with high-power air pumps. If it is a small air pumps, it will not be applicable.

PRODUCT DETAILS & INCLUDE
√ Material: 304 Stainless Steel
√ Overall Size: 1.57x0.32Inch/40x8mm(LxD)
√ Fits Standard Pipe Inner Diameter: 0.16Inch/4mm
√ Package Includes:2Pcs x CO2 Check Valve

PRODUCT ADVANTAGES
1. The aquarium air pumps check valve is made of stainless steel material, which is durable and sturdy. And it has the characteristics of rust prevention and easy cleaning.
2. Non-return check valve can prevent the aquarium from water flowing back, which is caused by the decrease, and keep the function and service life of the carbon dioxide bottle. When used in an ozone generator, an air check valve can prevent ozone from flowing back to the air pumps and corroding the propeller.

INSTALLATION
Easy to install, no additional tools required, and can be connected to any location in seconds.