Tube Holder Housing, 6x70mm, 1/2" OD, S225 Back Catalog number: 200102 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9984-50 Sorbent Tube, Porapak-R 6X70, 70/35, 50/BX Price on request 811-9962-50 Sorbent Tube, Chromosorb-102, 8X110, 100/50, 50/BX Price on request 801935 Charcoal Tube, Coconut Shell, Standard, 50/100mg, Price on request