Sorbent Tube, Silica Gel, 8X110, 520/360, 50/BX Back Catalog number: 811-9968-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800139 Tube Holder Adapter for 1/2" Ends Price on request F-PRO-1218 Universal Tube Holder System - Instruction Manual Price on request 7013601 TUBE TIP CUTTER Price on request