Triple Variable Tube Holder Kit, 6 x 70mm Back Catalog number: 800230 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800071 Tube Holder Housing End, 5/8", for 1/4" OD, Open E Price on request 800073 Tube Holder Dual Variable Flow, only Price on request 800261 Single Tube Holder Kit, 7-10 x 175mm Price on request