Single Tube Holder Kit, 7-10 x 175mm Back Catalog number: 800261 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9978-20 Sorbent Tube, XAD-2, 8X110, 450/225, 20/BX Price on request 800063 Tube Holder Housing End, 1/2" for 5mm OD Price on request 200114 Tube Holder Housing, 7-10 x 175mm, 5/8", L265 Price on request