PE-RT female thread coupling for heating system 1.material:PERT(LG) 2.size:s16,s20,*1/2";s25*3/4",s32*1" 3.color:any color PE-RT female thread coupling for heating system1.material:PERT(LG)2.size:s16,s20,*1/2";s25*3/4",s32*1"3.color:any colorAdvantages High Temperature Resistance, the maximum sustained working temperature is up to 70°C,the maximum tarnsient temperature is up to 95°C Heat ...