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 811-9966-50 Sorbent Tube, Silica Gel, 6X70, 100/50, 50/BX Price on request 800262 Single Tube Holder Kit, 7 x 130mm [Draeger Long T Price on request 7015377P Tube Tip Breaker, Package of 5 Price on request