Tube Holder Single Variable Flow, only Back Catalog number: 800072 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9963-50 Sorbent Tube, Microlite, 6X70, 200mg, 50/BX Price on request 800258 Single Variable Flow Kit, 7 x 130mm [Dräger Long Price on request 800071-10 Tube Holder Housing End, 5/8", for 1/4" OD, Open E Price on request