The 1-1/2" 5×20ft O2 Barrier HeatLink® UV Stabilized PEX-a Tubing by Mueller Streamline is engineered for superior performance in plumbing and heating applications. This tubing features an oxygen barrier that prevents corrosion and ensures the longevity of your systems. With a UV-stabilized finish, it is suitable for both indoor and outdoor use. The flexible design allows for easy installation in tight spaces, while the 5×20ft length provides ample material for various projects. This product meets industry standards for safety and reliability.