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 800262 Single Tube Holder Kit, 7 x 130mm [Draeger Long Term Tubes] Price on request 811-9902-50 Charcoal Tube, Coconut Shell, Large, 200/400mg, 8x110mm, with end caps, 50Pack Price on request 800073 Tube Holder Dual Variable Flow, only Price on request