3/4" PEX Expansion Ring (Bag of 50), ProPEX style (works with Uponor, Sioux Chief, Mr PEX & others)
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3/4" PEX expansion rings are designed to be used in conjunction with a PEX expansion (expander) tool when installing 3/4" PEX-A type tubing and expansion style brass or poly PEX fittings. Made to ASTM F1960 standard. Compatible with Uponor/Wirsbo hePEX & AquaPEX, Sioux Chief, Mr. PEX, Rehau and other PEX-A tubing brands.