... 19years experience,high quality, competitive price. 2.type:Single&Double flared stainless steel sleeve. 2.3.Various size. JINYOU ... leak-proof water, good strength, long life . 4. Double o-ring seal, contributing greater security. 5. Antielectrolysis ring of ... DIA 12,14,16,18,20,25,32MM Double flared stainless steel sleeve Size DIA 12,14, ... heating ect. Stainless steel fitting for aluminum-plastic pipes