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 811-9963-50 Sorbent Tube, Microlite, 6X70, 200mg, 50/BX Price on request F-PRO-1218 Universal Tube Holder System - Instruction Manual Price on request 811-9903-20 Charcoal Tube, Coconut Shell, Jumbo, 200/800mg, 10x110mm, with end caps, 20Pack Price on request