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 800071-10 Tube Holder Housing End, 5/8", for 1/4" OD, Open E Price on request 800063-10 Tube Holder Housing End, 1/2" for 5mm OD (Packg of Price on request