Sorbent Tube, Microlite, 8X110, 500mg, 50/BX Back Catalog number: 811-9964-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9980-50 Sorbent Tube, XAD-7, 6X70, 60/30, 50/BX Price on request 800259 Single Tube Holder Kit, 7-10 x 110mm Price on request 200131 Impinger Holder, Double, Aluminum, GilAir/HFS Price on request