Regulating valve, pressure reducer, flow regulator, sampling regulator, test unit for all Ecomini and Solo 58 test gas cylinders (5-component gas). Also fits Dräger test gas cylinders and MSA test gas cylinders. - With 1/4-inch external thread - Flow rate limitation: 30 l/h or 0.5 l/m - Includes pressure gauge for monitoring the fill level Warning: Coupling with free passage! Risk of bursting if the passage is blocked!