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 200102-10 Tube Holder Housing, 6x70mm, 1/2" OD, S225 (pkg of 10) Price on request 800261 Single Tube Holder Kit, 7-10 x 175mm Price on request 800251 Tube Holder Kit, Dual Variable Manifold (Includes 6x70mm, 7-10x110mm, 7-10x150mm, 7-10x175mm) Price on request