Sorbent Tube, XAD-7, 6X70, 60/30, 50/BX Back Catalog number: 811-9980-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800231 Tube Holder Kit, Quad Variable, 6 x 70mm Price on request 811-9989-20 Sorbent Tube, Beaded Carbon, 6X70, 140/70, 20/BX Price on request 200102 Tube Holder Housing, 6x70mm, 1/2" OD, S225 Price on request