Sorbent Tube, Porapak-N, 6X70, 88/44, 50/BX Back Catalog number: 811-9981-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200102 Tube Holder Housing, 6x70mm, 1/2" OD, S225 Price on request 200115 Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Price on request 801935 Charcoal Tube, Coconut Shell, Standard, 50/100mg, Price on request