Tube Holder Kit, Quad Variable, 6 x 70mm Back Catalog number: 800231 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200102 Tube Holder Housing, 6x70mm, 1/2" OD, S225 Price on request F-PRO-1218 Universal Tube Holder System - Instruction Manual Price on request 800262 Single Tube Holder Kit, 7 x 130mm [Draeger Long T Price on request