Sorbent Tube, XAD-2, 8X110, 400/200, 50/BX Back Catalog number: 811-9975-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800251 Tube Holder Kit, Dual Variable Manifold (Includes Price on request 800497-1 Tube Breaker Kit, Blue, LFS-113 Price on request 811-9978-20 Sorbent Tube, XAD-2, 8X110, 450/225, 20/BX Price on request