Tube Holder Kit, Dual Variable Manifold (Includes Back Catalog number: 800251 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200115-10 Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Price on request 400253 Tube Holder, Clear Storage Box Price on request 811-9985-50 Sorbent Tube, Florisil, 6X70, 100/50, 50/BX Price on request