Sorbent Tube, XAD-2, 8X110, 150/75, 50/BX Back Catalog number: 811-9974-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9967-50 Sorbent Tube, Silica Gel, 8X110, 300/150, 50/BX Price on request 800260 Single Tube Holder Kit, 7-10 x 150mm Price on request 800230 Triple Variable Tube Holder Kit, 6 x 70mm Price on request