SPECIAL ORDER ITEM. Review Returns Policy before purchase. The Zurn PEX plumbing collection provides essential components for reliable water distribution systems. This annealed copper crimp ring is engineered to securely fasten piping to brass and specialized fittings, ensuring a tight and dependable connection for both hot and cold water plumbing applications. Designed for use with SDR9 piping, this component is built for longevity and durability in demanding environments. Its robust construction supports consistent performance in residential and commercial plumbing systems, offering peace of mind for professional installers and homeowners alike.