SharkBite large diameter PEX stiffeners are inserts that go inside large diameter SharkBite fittings. These PEX stiffeners are required when connecting a SharkBite fitting to PEX tubing. They are not required for copper or CPVC.

• Available in sizes 1-1/4-in, 1-1/2-in and 2-in
• Not required for copper or CPVC
• PEX stiffeners are inserts that go inside large diameter SharkBite fittings
• PEX stiffeners are required when connecting a large diameter (1-1/4-in to 2-in) SharkBite fitting to PEX tubing