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 800062-10 Tube Holder Housing End, 1/2" for 6mm OD (Packg of Price on request 800258 Single Variable Flow Kit, 7 x 130mm [Dräger Long Price on request F-PRO-1218 Universal Tube Holder System - Instruction Manual Price on request