SPECIAL ORDER ITEM. Review Returns Policy before purchase. This 3/4 in PPSU PEX coupling is designed for secure connection of 2 PEX tubing runs in expansion systems. Constructed from high-performance PPSU, it offers excellent durability, chemical resistance, and long-term reliability. Compatible with ASTM- F1960 cold expansion methods, it ensures a strong, leak-resistant seal while maintaining optimal flow in residential and commercial plumbing applications.








