R1104H
https://www.ultraflow.com/shop/r1104h-r1104h-18929
https://www.ultraflow.com/web/image/product.template/18929/image_1920?unique=f1e8d02
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Secondary CO2 Regulator - 1 Pressure 1 Product - Wall Mount - 0-130psi - 5/16 to 3/8 Multi Barb Shut-Off Outlet without Inlet/Plug