Sorbent Tube, Silica (Spec Clean), 7X110, 50/BX Back Catalog number: 811-9970-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800074 Tube Holder Triple Variable Flow, only Price on request 800138 Tube Holder Adapter for 5/8" Ends Price on request 800071-10 Tube Holder Housing End, 5/8", for 1/4" OD, Open E Price on request