Sorbent Tube, TenaX, 8X110, 100/50, 50/BX Back Catalog number: 811-9972-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800238 Tube Holder O-Ring Kit Price on request 800251 Tube Holder Kit, Dual Variable Manifold (Includes Price on request 800135 Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi Price on request