Triple Variable Tube Holder Kit, 6 x 70mm Back Catalog number: 800230 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9978-20 Sorbent Tube, XAD-2, 8X110, 450/225, 20/BX Price on request 200131 Impinger Holder, Double, Aluminum, GilAir/HFS Price on request 200486 Tube Holder Tubing, 1/4" ID x 1/16" W (10 ft) Price on request