2pcs Aquarium CO2 Check Valve Stainless Steel Carbon Dioxide Diffuser Anti Return Water Gas Equipment Fish Tank Accessories

Features:
Suitable for 4*6mm size CO2 Pipe
Attention: FOR CO2 SYSTEMS ONLY! Please do not use this CO2 Check Valve to work with Air pump Air Compressor. This CO2 Check Valve only to work for CO2 Equipment-Dioxide Cylinder
Note: It can only be used for high-pressure vessels, such as CO2 gas cylinders.
DIY and air pumps cannot be used. They cannot be used due to insufficient pressure.

Installation according to the arrow of the non-return valve corresponding to the direction of the air outlet

Pagoda-style tubing design at both ends, easy to quickly connect 4*6mm size CO2 Pipe
Function of check valve

When the CO2 Pipe is placed below the fish tank or the gas supply equipment stops working due to power outage or other reasons, a check valve can be installed to prevent water backflow in the fish tank from damaging the equipment