... for heating system 1.material:PE-RT(LG) 2.size:T16,T20,T25,T32 3.color:any color,light weight 4.Do OEM ... :any color,light weight4.Do OEMApplication: 1. Ground heating system, it is suitable for such heating as the living room, bedroom, public bathroom ... water system 3. used in transportation pipelines such as the beverage, milk, etc. in food industry. PE-RT equal tee for heating system