Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Back Catalog number: 800134 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800062 Tube Holder Housing End, 1/2" for 6mm OD Price on request 800074 Tube Holder Triple Variable Flow, only Price on request 811-9970-50 Sorbent Tube, Silica (Spec Clean), 7X110, 50/BX Price on request