Sorbent Tube, XAD-2, 8X110, 400/200, 50/BX Back Catalog number: 811-9975-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9971-50 Sorbent Tube, Silica (H2SO2), 6X70, 150/75, 50/BX Price on request 800260 Single Tube Holder Kit, 7-10 x 150mm Price on request 800066-10 Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubi Price on request