Sorbent Tube, Silica Gel, 8X110, 520/360, 50/BX Back Catalog number: 811-9968-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800259 Single Tube Holder Kit, 7-10 x 110mm Price on request 811-9963-50 Sorbent Tube, Microlite, 6X70, 200mg, 50/BX Price on request 200486 Tube Holder Tubing, 1/4" ID x 1/16" W (10 ft) Price on request