Tube Holder Single Variable Flow, only Back Catalog number: 800072 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800170 Tube Holder Hose Barb Fitting Price on request 811-9974-50 Sorbent Tube, XAD-2, 8X110, 150/75, 50/BX Price on request 800063-10 Tube Holder Housing End, 1/2" for 5mm OD (Packg of Price on request