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 800149 Single Tube Holder Kit, 6 x 70mm (Standard Charcoa Price on request 800229 Tube holder plug for manifold Price on request 800135 Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi Price on request