Single Tube Holder Kit, 6 x 70mm (Standard Charcoa Back Catalog number: 800149 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200102 Tube Holder Housing, 6x70mm, 1/2" OD, S225 Price on request 800231 Tube Holder Kit, Quad Variable, 6 x 70mm Price on request 800135 Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi Price on request