Tube Holder Housing End, 5/8", for 1/4" OD, Open E Back Catalog number: 800071 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800135-10 Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi Price on request 200131 Impinger Holder, Double, Aluminum, GilAir/HFS Price on request 800230 Triple Variable Tube Holder Kit, 6 x 70mm Price on request