Sorbent Tube, XAD-2, 6X110, 120/60, 20/BX Back Catalog number: 811-9977-20 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9969-100 Sorbent Tube, Silica, DNPH, 6X110, 300/150, 100/BX Price on request 800064 Tube Holder Housing End, 5/8", for 7-10mm Price on request 200524 Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft) Price on request