PE-RT reducing tee for heating pipe 1.material:PERT(LG) 2.size:162016,252025,322032,322532 3.color:any color 4. ... OEM PE-RT reducing tee for heating pipe1.material:PERT(LG)2.size:162016,252025,322032,3225323.color:any color4.Do OEMApplication ... , swimming pool, kindergarten, nursery and the old people's house 2. cold and hot water supply system, drinking water system 3 ...