1.Brand: palconn 2.Specification:16mm--32mm 3.Material:100%costab raw material passed nsf certify 4.We're factory, oem service is available Size range Pex oxygen barrier tubing PressureSize(mm) Pn1.25mpa16x1.8 20x1.9 25x2.3 32x2.9 PressureSize(mm) Pn1.6mpa16x1.8 20x2.3 25x2.8 32x3.6 100-300m/coils as your requirment