Sorbent Tube, XAD-2, 8X110, 100/50, 50/BX Back Catalog number: 811-9973-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800072 Tube Holder Single Variable Flow, only Price on request 800062-10 Tube Holder Housing End, 1/2" for 6mm OD (Packg of Price on request 800149 Single Tube Holder Kit, 6 x 70mm (Standard Charcoa Price on request