Sorbent Tube, XAD-7, 6X110, 100/50, 50/BX Back Catalog number: 811-9979-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800238 Tube Holder O-Ring Kit Price on request 800170 Tube Holder Hose Barb Fitting Price on request 800231 Tube Holder Kit, Quad Variable, 6 x 70mm Price on request