Sorbent Tube, Microlite, 6X70, 200mg, 50/BX Back Catalog number: 811-9963-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9988-10 Sorbent Tube, Chromosorb-106, 10X150, 600/300, 10/ Price on request 800259 Single Tube Holder Kit, 7-10 x 110mm Price on request 800062 Tube Holder Housing End, 1/2" for 6mm OD Price on request