A ball valve works by rotating a spherical disc (ball) within the valve body. When the ball's bore aligns with the pipe, it allows fluid to pass through HeSun 5-PCs Push Fit Ball Valve, 1-Inch Push-to-Connect Full Port Shut Off Valve For Hot And Cold Water With 1 Disconnect Clip Pex Copper Cpvc Red Valve SUPERIOR QUALITY: Made from lead-free brass, meet ASTM F1807 NSF/ANSI 61 standards. BROAD COMPATIBILITY: Designed for stainless steel clamps & copper crimp ring systems. 5-PCs HeSun 3/4-Inch PEX Ball Valves with Drop Ear, 1/4 Turn Full Port Shut-off Valve, Brass Crimp Pex Valve for Hot and Cold Water, ASTM F1807,Blue : : Industrial & ScientificSUPERIOR QUALITY: Made from lead-free brass, meet ASTM F1807 NSF/ANSI 61 standards. BROAD COMPATIBILITY: Designed for stainless steel clamps & copper crimp ring systems. VERSATILE APPLICATION Ball Valves Pex Shut Off Valve 1/2 HeSun 10-PCs 3/4 Inch PEX With Drop Ear, 1/4 1/2 Pex Shut Off Valve 1/2 Ball Valve PACKAGE INCLUDE: 5 pack 3/4 blue pex full port drop ear ball valves. Quick-turn design enables immediate water control.