Features. For use in hotcold plumbing applications and radiant heating applications. Compliant with all low lead legislation. Low lead Ecobrass XL allow. Meets or exceeds all standards and tolerances of traditional brass pex fittings. Manufactured from dezincification resistant bronze and features PEX end connections. Used to connect two lengths of PEX tubing together. NSF approvedSpecifications. Dimension 15 H x 5 W x 7 L. Weight 03 lbs