Sorbent Tube, XAD-2, 8X110, 100/50, 50/BX Back Catalog number: 811-9973-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200131 Impinger Holder, Double, Aluminum, GilAir/HFS Price on request 800253 Single Variable Flow Kit, 6 x 70mm (Standard Charc Price on request 811-9978-20 Sorbent Tube, XAD-2, 8X110, 450/225, 20/BX Price on request