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 200486 Tube Holder Tubing, 1/4" ID x 1/16" W (10 ft) Price on request 800249 Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Price on request 800230 Triple Variable Tube Holder Kit, 6 x 70mm Price on request