Ensure seamless CO2 flow with the durable and compact ISTA Stainless Steel Check Valve. Prevents back-flow, fits 4mm tubing, perfect for aquariums!
Experience the durability and precision of the ISTA Stainless Steel CO2 Check Valve. Its compact design ensures minimal space usage, while the stainless spring mechanism guarantees secure, back-flow prevention—ideal for seamless CO2 setups in your aquarium. Designed for longevity and efficient performance, this valve is a reliable addition to any CO2 system.
To fit the standard airline CO2 tubing, which typically has a diameter of 4mm.
