Sulphur Dioxide 1-60 ppm Gas Detector Tube, pk/10 Back Catalog number: 103SD Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200505 Tubing, 1/8" ID x 1/16" W, Clear PVC, (3 ft) Price on request 143SA Xylene (5-1000 ppm) Gas detector tubes, pk/10 Price on request 800238 Tube Holder O-Ring Kit Price on request