Stainless CO2 Check Valve

Hydra Aquatics Stainless CO2 Check Valve – Suitable for CO2 or high pressure applications – One-way valve, preventing backflow – Standard 1/4″ barbed fittings – Not for use with low pressure air pumps Hydra Aquatics’ stainless check valve can be used for CO2 applications.  The check valve is a one-way valve allowing liquid or gas to flow through it in only one direction.  The purpose is to prevent backflow of liquid or gas, which can damage the pump or other equipment.