SPECIAL ORDER ITEM. Review Returns Policy before purchase. The Zurn PEX Copper Crimp Ring collection provides essential components for secure plumbing connections. These rings are engineered to effectively secure piping to brass and specialized fittings, ensuring a reliable seal in both hot and cold water applications. Designed for use with SDR9 piping, this component is built for longevity and durability in demanding environments. Whether you are working on a residential or commercial project, these rings offer the structural integrity required for consistent performance. Their robust construction supports the overall stability of your plumbing system, providing peace of mind for long-term use in various infrastructure settings.