R1101PT
https://www.ultraflow.com/shop/r1101pt-r1101pt-18916
https://www.ultraflow.com/web/image/product.template/18916/image_1920?unique=f1e8d02
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Secondary CO2 Regulator - 1 Pressure 1 Product - Pass Thru - Wall Mount - 0-60psi - 5/16 to 3/8 Multi Barb Inlet & Shut-Off Outlet