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 800064-10 Tube Holder Housing End, 5/8", for 7-10mm (Packg of 10) Price on request 800165-10 Sorbent tube adapter nipple for Dual manifold High Flow Splitter (10 Pack) Price on request 800261 Single Tube Holder Kit, 7-10 x 175mm Price on request