Perfect protection for air pumps-vent valves are used to protect components from devices that are affected. For high-pressure air pumps-the valve is mainly used for high-pressure air pumps for ventilation. Excellent shape with high temperature and high pressure resistance. High-quality materials long-term use-The ventilation valve is made of high-quality brass material, which has high wear resistance and is not easy to deform. Excellent design- new and high quality., Manufacturer: Mcnhbdgg