Tube Holder Housing End, 5/8", for 1/4" OD, Open E Back Catalog number: 800071 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800139 Tube Holder Adapter for 1/2" Ends Price on request 811-9970-50 Sorbent Tube, Silica (Spec Clean), 7X110, 50/BX Price on request 800231 Tube Holder Kit, Quad Variable, 6 x 70mm Price on request