The self-sealing design ensures quick and easy installation on 1" copper, PEX, CPVC, and 7/8" PVC/iron pipes. Everbilt 1 in. Compatible Pipe Materials: Copper, PEX, CPVC, Iron, PVC. Wide Compatibility: Fits 1" copper, PEX, CPVC pipes, and 7/8" iron/PVC pipes, providing versatile insulation for different plumbing systems.
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