Sorbent Tube, XAD-2, 6X110, 120/60, 20/BX Back Catalog number: 811-9977-20 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800238 Tube Holder O-Ring Kit Price on request 800072 Tube Holder Single Variable Flow, only Price on request 800262 Single Tube Holder Kit, 7 x 130mm [Draeger Long T Price on request