Simplify your plumbing and home improvement projects with the SharkBite Max brass push male adapters and valves. Composed of strong and sturdy lead free DZR brass with a reinforced stainless-steel collar, these check valves are designed to prevent the reverse flow of water and make easy connections to existing PEX, copper, CPVC, PE-RT and SDR-9 HDPE pipe in any combination! SharkBite Max quick connector fittings are a project time and effort saver with less insertion force required for a stronger connection. Without the need for additional tools, glue, or soldering, these check assembly valves can be installed in wet lines and are approved for underground and behind-the-wall applications with no access panels (Wrapping required when burying underground). Additionally, this SharkBite Max fitting adapter can be used to join different pipe types together seamlessly providing the versatility to make repairs of existing lines faster and more reliable. Rated to 200 degrees F and 250 PSI.