Features: 【Application】 Compatible with Parker's SensoControl diagnostic equipment. Suitable for use with hydraulic or pneumatic systems. 【High Performance】 Specially designed to easily and properly connect for mechanical gauges or specialized diagnostic equipment, flush-face poppet valves minimize air inclusion and spillage, prevents uncoupled leakage. 【Simple Installation】 Easy push to connect operation, poppet valves open automatically when coupled, within rated working pressure, to keep the flow expedite. .