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 800066 Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubi Price on request 800064-10 Tube Holder Housing End, 5/8", for 7-10mm (Packg o Price on request 800134 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Price on request