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 800230 Triple Variable Tube Holder Kit, 6 x 70mm Price on request 800170 Tube Holder Hose Barb Fitting Price on request 200486 Tube Holder Tubing, 1/4" ID x 1/16" W (10 ft) Price on request