Beer and CO2 connections Micro Matic offers a large selection of various beer and CO2 connections in both brass and stainless steel. All parts are food approved. Specifications: MaterialStainless steel and/or Brass ID4 mm to 8.5 mm OD7 mm to 10.5 mm Thread1/2" BSP, 3/4" BSP or 5/8" BSP NutWing or hexagonal
