TAILONZ PNEUMATIC 8 mm black check valve with quick release for gas pipes, SPU check valve, 5 pieces

★Product features: 1. Corrosion resistance, high density, not easy to burst. 2. The product is sturdy and durable and has a long service life. 3. Easy to install, lightweight and simple. 4. It can be used for connecting pipes and the use of various pneumatic components, and has a wide range of applications. ★Attention! 1. Do not use for fittings for drinking water pipes. 2. Avoid contact with fire sources. 3. The working pressure must not exceed 1 MPA. 4. Do not use the fittings under additional external stress (bending, turning or pulling), otherwise this can lead to damage or leakage. 5. Avoid mixing with incompatible materials (strong oxidants, acids, bases, etc.).