Tube Holder Triple Variable Flow, only Back Catalog number: 800074 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9977-20 Sorbent Tube, XAD-2, 6X110, 120/60, 20/BX Price on request 800063 Tube Holder Housing End, 1/2" for 5mm OD Price on request 7015377P Tube Tip Breaker, Package of 5 Price on request