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 800074 Tube Holder Triple Variable Flow, only Price on request 800165 Sorbent tube adapter nipple for Dual manifold High Flow Splitter Price on request 800064 Tube Holder Housing End, 5/8", for 7-10mm Price on request