Tube Holder, Clear Storage Box Back Catalog number: 400253 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9971-50 Sorbent Tube, Silica (H2SO2), 6X70, 150/75, 50/BX Price on request 800251 Tube Holder Kit, Dual Variable Manifold (Includes Price on request 800165-10 Sorbent tube adapter nipple for Dual manifold High Price on request