2pcs 6mm Quick Plug Type One-Way Pneumatic Flow Check Valve Compressed Air Check Valve Connectors Push to Connect Air Tube

Suitable for SPU check valves in gas pipe fittings.[High-quality material] Made of high-quality copper and plastic. No more worrying about pipe slippage.[Easy to install] No additional gasket required. The simple push-fit design ensures a tight connection with various pipe materials. Unobstructed assembly.[Universal compatibility] Specially designed for 6mm diameter gas pipes, this valve fits perfectly and provides a hassle-free solution for industries where airflow safety is critical.