... 2.type:Single&Double flared stainless steel sleeve. 2.3.Various size. JINYOU Stainless steel ferrule fittings for pipe 1. Very ... 7.JINYOU 304stainless steel sleeves sizeSingle Single flared stainless steel sleeve Size DIA 12,14,16,18,20 ... ,25,32MM Double flared stainless steel sleeve Size DIA 12,14,16,18, ... water, sanitary hot water, and heating ect. Stainless steel ferrule fittings for pipe