Pexa Plastic Expansion Coupling, 1/2 X 3/4 In., 5-pk.

SharkBite, 5-pack, 1/2" x 3/4", PEXA plastic expansion coupling. Compatible with PEX-A pipe only. Requires PEX expansion tool and expansion rings to make connection. Approved for water service lines and burial applications including concrete. Easy to install, secure connection that grows stronger over time.