Sorbent Tube, XAD-2, 6X110, 150/75, 20/BX Back Catalog number: 811-9976-20 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 800071-10 Tube Holder Housing End, 5/8", for 1/4" OD, Open E Price on request 800139 Tube Holder Adapter for 1/2" Ends Price on request