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 800138 Tube Holder Adapter for 5/8" Ends Price on request 800251 Tube Holder Kit, Dual Variable Manifold (Includes Price on request 200115 Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Price on request