These quick disconnects have an integrated shut off valve. When you disconnect them valves engage so beer or CO2 don’t continue to flow. I use similar disconnects for the CO2 side of my kegerator. They also work on the liquid side. These are food grade. Full details and description.
Beer & Gas Tubing Quick Disconnect – In-line W/ Shut-off Set H550 – $14.95 $11.95 + Free Shipping with a $59 order
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