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 800263 Single Tube Holder Kit, 5 x 150mm [Kitagawa TWA Tubes] Price on request 200104-10 Tube Holder Housing, 5 x 150mm, 1/2", S255 (pkg of 10) Price on request 800170 Tube Holder Hose Barb Fitting Price on request