Sorbent Tube, Florisil, 6X70, 100/50, 50/BX Back Catalog number: 811-9985-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800139 Tube Holder Adapter for 1/2" Ends Price on request 800064 Tube Holder Housing End, 5/8", for 7-10mm Price on request 800138 Tube Holder Adapter for 5/8" Ends Price on request