PE-RT 90 degree elbow for heating pipe 1.material:PERT 2.size:L16,L20,L25 ... 3.color:any color 4.Do OEM PE-RT 90 degree elbow for heating pipe1.material:PERT2.size:L16,L20,L25,L323.color ... color4.Do OEMApplication: 1. Ground heating system, it is suitable for such heating as the living room, bedroom, public bathroom, ... the beverage, milk, etc. in food industry. PE-RT 90 degree elbow for heating pipe