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 811-9980-50 Sorbent Tube, XAD-7, 6X70, 60/30, 50/BX Price on request 200102 Tube Holder Housing, 6x70mm, 1/2" OD, S225 Price on request 800072 Tube Holder Single Variable Flow, only Price on request