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 800134 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Price on request 800249 Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Price on request 800073 Tube Holder Dual Variable Flow, only Price on request