VSH Xpress S21S/7040 15 mm x 15 mm 45 Degree obtuse street elbow with press-fit x male end connections incorporates Leak Before Press technology developed to provide instant identification of joints that are correctly assembled but mistakenly unpressed saving on time, money and expensive call-outs. Offering swift and efficient copper tube jointing to BS EN 1057 R250 and R290 standards XPress fittings are suitable for use on hot and cold water services, vented and unvented closed circuit heating, chilled water and oil-free compressed air within permissible pressure and temperature limits. Made of copper.