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 800136-10 Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubi Price on request 800142-10 Tube Holder Collar Clip, for 3/8" OD, 1/4" ID Tubi Price on request 800230 Triple Variable Tube Holder Kit, 6 x 70mm Price on request