SPECIAL ORDER ITEM. Review Returns Policy before purchase. This 1-1/4 in PPSU F1960 PEX elbow is designed to create smooth directional changes in PEX piping systems. Constructed from high-performance PPSU material, it offers excellent durability, chemical resistance, and long-term reliability. Compatible with ASTM- F1960 expansion systems, it ensures a secure, leak-resistant connection while maintaining strong flow performance in residential and commercial plumbing applications.