Carbon Monoxide 1-50 ppm Gas Detector Tube, pk/10 Back Catalog number: 106SC Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 143SA Xylene (5-1000 ppm) Gas detector tubes, pk/10 Price on request 200102 Tube Holder Housing, 6x70mm, 1/2" OD, S225 Price on request 7015377P Tube Tip Breaker, Package of 5 Price on request