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 800142-10 Tube Holder Collar Clip, for 3/8" OD, 1/4" ID Tubi Price on request 200115-10 Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Price on request 800259 Single Tube Holder Kit, 7-10 x 110mm Price on request