SharkBite Max 1/2" x 3/8" Push to Connect Compression Brass Angle Stop Valve. The push to connect brushed nickel angle valve is typically used on stub-outs coming out of the wall. Used to control and shut-off water flow to fixtures or appliances for maintenance and repair. Innovative design with 1/2 inch push-to-connect inlet makes for quick installation and quarter-turn full-port brass ball valve makes for easy operation. Faster install time and ease of use reduces installation errors. Compatible with PEX, Copper CPVC and PE-RT HDPE pipe.