1/2'' PEX TUBING BLUE&RED COMBO 300' /EA -BRAND NEW - FREE SHIPPING - PEX DIRECT Water Application (North America Certification) CSA 137.5 (Canadian Certification) Warnock Hersey Canada (Canadian Certification) DIN 4726 (European Standard)Pressure ratings: 79psi @ 200F, 100psi @ 180F, 160psi @ 73F by PPI