R1001HWM-2
https://www.ultraflow.com/shop/r1001hwm-2-r1001hwm-2-18833
https://www.ultraflow.com/web/image/product.template/18833/image_1920?unique=f1e8d02
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Primary CO2 Regulator - 1 Gauge - 1 Pressure 2 Product - Wall Mount - 0-130psi - 5/16 to 3/8 Multi Barb Shut-Off Outlet