Joseph Leslie Drager Mfg. Pvt. Ltd. Supplies Single Gas Monitoring Instrument. Joseph Leslie Drager Mfg. Pvt. Ltd. Is an ISO 9001:2000 certified company. The Single Gas Monitoring Instrument of model Drager Pac 3000 is used for personal monitoring in work and ensures fast warnings against harmful concentrations of carbon monoxide, hydrogen sulphide or oxygen.
