1).Press Fitting for Pex-Al-Pex Pipe 2).Forged Brass Material 3).Certificate:ISO9001 4).Size:16mm,20mm,25mm,32mm ... Features:1)Product name:pex pipe fitting2)Comprises of:brass ... cold water,hot water and gas applications...brass press fitting coupling (union) is made of brass body,EDPM seal rings,stainless steel SUS ...