PERT 45degree elbow for heating pipe 1.material:PERT 2.size:L16, ... ,L25,L32 3:color:any color 4.Do OEM PERT 45degree elbow for heating pipe1.material:PERT2.size:L16,L20,L25 ... such as the beverage, milk, etc. in food industry. PERT 45degree elbow for heating pipe