1.19years experience,high quality, competitive price. 2.type:Single&Double flared stainless steel sleeve. 2.3.Various size. JINYOU ... of attractive external appearance. 7.JINYOU 304stainless steel sleeves sizeSingle Single flared stainless steel sleeve Size DIA 12,14,16,18 ... of cold water, sanitary hot water, and heating ect. Double &single flared type tube fittings--Sleeve