Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Back Catalog number: 200115 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9976-20 Sorbent Tube, XAD-2, 6X110, 150/75, 20/BX Price on request 800073 Tube Holder Dual Variable Flow, only Price on request 800251 Tube Holder Kit, Dual Variable Manifold (Includes Price on request