www.pmmag.com/articles/86562-dual-sleeve-connector

Dual Sleeve Connector

April 30, 2002
Eastman(r) introduces a new connector featuring a one-piece PEX inner sleeve/washer combined with a nylon exterior dielectric sleeve. The PEX washer provides a superior sealing surface compared to a rubber washer and the PEX inner sleeve guards against interior corrosion. Additional dual protection offered through the exterior dielectric sleeve.

Circle 17