Single Tube Holder Kit, 6 x 70mm (Standard Charcoa Back Catalog number: 800149 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200113 Tube Holder Housing, 7-10 x 110mm, 5/8", L240 Price on request 200112-10 Tube Holder Housing, 7-10 x 150mm, 5/8", L255 (Pac Price on request 811-9978-20 Sorbent Tube, XAD-2, 8X110, 450/225, 20/BX Price on request