Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubi Back Catalog number: 800136 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800072 Tube Holder Single Variable Flow, only Price on request 811-9966-50 Sorbent Tube, Silica Gel, 6X70, 100/50, 50/BX Price on request 400253 Tube Holder, Clear Storage Box Price on request