1.19years experience,high quality, competitive price. 2.type:Single&Double flared stainless steel sleeve. 2.3.Various size. JINYOU stainless ... , Anti-rust, leak-proof water, good strength, long life . 4. Double o-ring seal, contributing greater security. 5. Antielectrolysis ring of ... facilities of cold water, sanitary hot water, and heating ect. High quality stainless steel sleeve pipe fittings