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 800254 Single Variable Flow Kit, 5 x 150mm [Kitagawa TWA Price on request 200104-10 Tube Holder Housing, 5 x 150mm, 1/2", S255 [Kitaga Price on request 800259 Single Tube Holder Kit, 7-10 x 110mm Price on request