Sorbent Tube, Silica Gel, 8X110, 300/150, 50/BX Back Catalog number: 811-9967-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200524 Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft) Price on request 811-9969-100 Sorbent Tube, Silica, DNPH, 6X110, 300/150, 100/BX Price on request 800260 Single Tube Holder Kit, 7-10 x 150mm Price on request