PEX Crimp Elbow, Large Diameter, Poly Alloy, F2159
https://www.ppsu-pex-fittings.com/product/f2159-large-diameter-fitting/

Part No. : PE66

Large diameter poly alloy PEX elbow connects two 1-1/4″ PEX pipes at a 90-degree.
Feature
• Material: PPSU
• Connection: Crimp
• 100% LEAD FREE. Corrosion resistant, lighter weight, higher durability.
• Manufactured in accordance with ASTM F2159
• Listed under cUPC, NSF/ANSI 61.
• For plumbing or heating applications.
• Rated up to 200F, 200psi