Sorbent Tube, XAD-2, 8X110, 150/75, 50/BX Back Catalog number: 811-9974-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200115-10 Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Price on request 800231 Tube Holder Kit, Quad Variable, 6 x 70mm Price on request 800249 Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Price on request