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 200187 Tube Holder Adapter, 3/16" to 1/4" Ends Price on request 200102 Tube Holder Housing, 6x70mm, 1/2" OD, S225 Price on request 800170-10 Tube Holder Hose Barb Fitting (Packg of 10) Price on request