Single Tube Holder Kit, 7-10 x 110mm Back Catalog number: 800259 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 801935 Charcoal Tube, Coconut Shell, Standard, 50/100mg, Price on request 200102 Tube Holder Housing, 6x70mm, 1/2" OD, S225 Price on request 811-9978-20 Sorbent Tube, XAD-2, 8X110, 450/225, 20/BX Price on request