Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubi Back Catalog number: 800066 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9903-20 Charcoal Tube, Coconut Shell, Jumbo, 200/800mg, 10 Price on request 800230 Triple Variable Tube Holder Kit, 6 x 70mm Price on request 200113 Tube Holder Housing, 7-10 x 110mm, 5/8", L240 Price on request