Sorbent Tube, Florisil, 6X70, 100/50, 50/BX Back Catalog number: 811-9985-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200113 Tube Holder Housing, 7-10 x 110mm, 5/8", L240 Price on request 811-9981-50 Sorbent Tube, Porapak-N, 6X70, 88/44, 50/BX Price on request 200102 Tube Holder Housing, 6x70mm, 1/2" OD, S225 Price on request