Tube Holder Triple Variable Flow, only Back Catalog number: 800074 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 103SD Sulphur Dioxide 1-60 ppm Gas Detector Tube, pk/10 Price on request 200112 Tube Holder Housing, 7-10 x 150mm, 5/8", L255 Price on request 143SA Xylene (5-1000 ppm) Gas detector tubes, pk/10 Price on request