Tube Holder Triple Variable Flow, only Back Catalog number: 800074 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200102 Tube Holder Housing, 6x70mm, 1/2" OD, S225 Price on request 811-9974-50 Sorbent Tube, XAD-2, 8X110, 150/75, 50/BX Price on request 800251 Tube Holder Kit, Dual Variable Manifold (Includes Price on request