... : 1.5", 2", 2.5", 3", 3.5", 4", 6" 2)Connection size: 1/8" 1/4" 1/2" 3)CE Certificate Steel Case Gauge 4Z2are ... on.MOVEMENT:Brass, stainless steelCONNECTION:1/8", 1/4", 1/2", 3/8", NPT, BSP or BSPT dependent on model & size. Bottom, backleft & right side ... on.MOVEMENT:Brass, stainless steelCONNECTION:1/8", 1/4", 1/2", 3/8", NPT, BSP or BSPT dependent on model & size. Bottom, backleft & right side ...