The 649W4-25 from Sioux Chief is a set of 1” PEX Expansion Rings, ProPEX style. PEX expansion rings are designed to be used in conjunction with a PEX expansion (expander) tool when installing PEX-A type tubing and expansion style brass or poly PEX fittings. Direct replacement for Uponor Q4691000 1" ProPEX rings.
Features:
Made to ASTM F1960 standard.
Compatible with Uponor/Wirsbo hePEX & AquaPEX, Sioux Chief, Mr. PEX, Rehau and other PEX-A tubing brands