CO2 regulator brass with chrome plating a complete range of specifications apply to beer machine, beverage processing CO2 regulator Inland standardDiameter size: 50mm(or customized according to customer’s request)Material:1 case: black steel2 lens: polycarbonate3 internal and connector: brass4 bottom thread: GOST, BSP 1/2, 1/4, 1/8, 5/8, and others,also can customize according to your request We ...