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 200112 Tube Holder Housing, 7-10 x 150mm, 5/8", L255 Price on request 800071-10 Tube Holder Housing End, 5/8", for 1/4" OD, Open E Price on request 800251 Tube Holder Kit, Dual Variable Manifold (Includes Price on request