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 800259 Single Tube Holder Kit, 7-10 x 110mm Price on request 800253 Single Variable Flow Kit, 6 x 70mm (Standard Charc Price on request 800238 Tube Holder O-Ring Kit Price on request