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 800075 Tube Holder Quad Variable Flow, only Price on request 801935 Charcoal Tube, Coconut Shell, Standard, 50/100mg, Price on request 800064-10 Tube Holder Housing End, 5/8", for 7-10mm (Packg o Price on request