Sorbent Tube, Silica (Spec Clean), 7X110, 50/BX Back Catalog number: 811-9970-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9972-50 Sorbent Tube, TenaX, 8X110, 100/50, 50/BX Price on request 800063 Tube Holder Housing End, 1/2" for 5mm OD Price on request 200102 Tube Holder Housing, 6x70mm, 1/2" OD, S225 Price on request