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 800260 Single Tube Holder Kit, 7-10 x 150mm Price on request 800249 Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Price on request 801935 Charcoal Tube, Coconut Shell, Standard, 50/100mg, Price on request