Tube Holder Adapter for 1/2" Ends Back Catalog number: 800139 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200115 Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Price on request 800134 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Price on request 800149 Single Tube Holder Kit, 6 x 70mm (Standard Charcoa Price on request