Single Tube Holder Kit, 7-10 x 110mm Back Catalog number: 800259 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9972-50 Sorbent Tube, TenaX, 8X110, 100/50, 50/BX Price on request 801935 Charcoal Tube, Coconut Shell, Standard, 50/100mg, Price on request 800249 Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Price on request