Sorbent Tube, Microlite, 8X110, 500mg, 50/BX Back Catalog number: 811-9964-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9902-50 Charcoal Tube, Coconut Shell, Large, 200/400mg, 8x Price on request 800062 Tube Holder Housing End, 1/2" for 6mm OD Price on request 200102 Tube Holder Housing, 6x70mm, 1/2" OD, S225 Price on request