Sorbent Tube, Silica Gel, 6X70, 100/50, 50/BX Back Catalog number: 811-9966-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 106SC Carbon Monoxide 1-50 ppm Gas Detector Tube, pk/10 Price on request 111U Isopropyl & Ethyl Acetate (10-1000 ppm) Gas detector tubes, pk/10 Price on request 811-9975-50 Sorbent Tube, XAD-2, 8X110, 400/200, 50/BX Price on request