SharkBite® Blue 3/4" x 100' PEX Tubing – Potable Water & Radiant Heat CertifiedThis 3/4" x 100 ft SharkBite Blue PEX Roll is engineered for potable water lines and residential or commercial radiant heating applications. Manufactured by Cash Acme, this flexible, non-barrier PEX tubing meets or exceeds national plumbing codes in the U.S. and Canada.Key Specs:Outer Diameter: 3/4"Length: 100 feetColor: Blue (cold water line identifier)Material: PEX-B (cross-linked polyethylene)Certifications: NSF 14/61, NSF P171, ASTM F876, F877, CSA B137.5, AWWA C904Use Cases:Potable water deliveryUnderfloor radiant heatingSafe for residential and commercial hydronic plumbingWorks in systems adjacent to LP or NG-powered heating systemsCompatible With:Crimp, clamp, push-fit (SharkBite), and expansion PEX fittings.