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 800149 Single Tube Holder Kit, 6 x 70mm (Standard Charcoa Price on request 800262 Single Tube Holder Kit, 7 x 130mm [Draeger Long T Price on request 800259 Single Tube Holder Kit, 7-10 x 110mm Price on request