R1155
https://www.ultraflow.com/shop/r1155-r1155-19034
https://www.ultraflow.com/web/image/product.template/19034/image_1920?unique=f1e8d02
(0 review)
Secondary CO2 Regulator - 5 Pressure 5 Product - Wall Mount - 0-60psi - 5/16 to 3/8 Multi Barb Inlet & Shut-Off Outlet