Wika 2 type 111.12 15 psi gauge – 1/8 npt cbm plastic wika type 111.12 gauges feature a black plastic case, snap-in plastic window, and a center back mount (cbm) rear connection. With an industry recognized asme 3/2/3% of span accuracy, wika type 111.12 gauges are the industry standard in the commercial gauge line. Available in a variety of sizes, mounting styles and optional configurations, type 111.12 gauges are suitable for many tough applications including regulators, medical, pneumatic controllers, compressors, valve positioners, and pumps. specifications: connection location: center back mount wetted parts: brass copper alloy case material: abs plastic case filling: standard window type: removable snap-off window construction: polycarbonate