Sorbent Tube, Porapak-Q 6X110, 150/75, 50/BX Back Catalog number: 811-9983-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800136 Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubi Price on request 800251 Tube Holder Kit, Dual Variable Manifold (Includes Price on request 200102-10 Tube Holder Housing, 6x70mm, 1/2" OD, S225 (Packg Price on request