Tube Holder Housing End, 1/2" for 5mm OD Back Catalog number: 800063 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800230 Triple Variable Tube Holder Kit, 6 x 70mm Price on request 800260 Single Tube Holder Kit, 7-10 x 150mm Price on request 811-9966-50 Sorbent Tube, Silica Gel, 6X70, 100/50, 50/BX Price on request