Supply Giant Pexflow PFR-R34300 PEX Tubing 3/4-Inch x 300-Feet Oxygen Barrier

Oxygen Barrier EVOH is used for residential and light commercial radiant heating applications. With the same properties as PEX non barrier pipes EVOH PEX barrier pipe keeps oxygen and other elements from infiltrating and corrupting the key mechanical components in heating systems. Tubing is marked every five feet with length ASTM standards approvals certifications pressure ratings and other technical information.