The membrane used has the characteristics of acid and alkali resistance, high and low temperature resistance, and non stick paint, with superior performance, fatigue resistance, and longer service life. High performance and sturdy air valve Key components fully corrosion-resistant configuration The steel ball, ball seat, and core shaft are all made of stainless steel material, further improving durability. Smooth and stable mirror pump body For high-value items, customs clearance in your country requires your cooperation; please be advised. Welcome and I wish you a happy life, my friend., Manufacturer: MJFVN