12-Pack, 1/2" PEX-A Expansion Adapter x 1/2" Male NPT, Brass Fitting for PEX-A Tubing Connection, ASTM F1960 Standard

["ASTM F1960 Certified – Built for secure PEX-A expansion connections, fully compliant with ASTM F1960 standards for professional-grade reliability.","Lead-Free Brass Construction – Made of premium lead-free brass, ensuring safe use for drinking water systems, superior durability, and corrosion resistance.","Precise PEX-A Compatibility – 1/2\" PEX-A expansion x 1/2\" Male NPT adapter, designed ONLY for PEX-A tubing (NOT compatible with PEX-B or PEX-C).","Quick & Easy Installation – Works seamlessly with common PEX-A expansion tools, providing a fast and secure pipe-to-thread connection for plumbing and heating projects.","Versatile Plumbing Solution – Ideal for potable water, radiant heating, and plumbing repairs. Convenient 5-pack for contractors and DIY homeowners."]