Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi Back Catalog number: 800135 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 200131 Impinger Holder, Double, Aluminum, GilAir/HFS Price on request 800063 Tube Holder Housing End, 1/2" for 5mm OD Price on request