Sorbent Tube, XAD-2, 8X110, 450/225, 20/BX Back Catalog number: 811-9978-20 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800066-10 Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubi Price on request 200114 Tube Holder Housing, 7-10 x 175mm, 5/8", L265 Price on request 800064-10 Tube Holder Housing End, 5/8", for 7-10mm (Packg o Price on request