Sorbent Tube, XAD-7, 6X70, 60/30, 50/BX Back Catalog number: 811-9980-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800074 Tube Holder Triple Variable Flow, only Price on request 800261 Single Tube Holder Kit, 7-10 x 175mm Price on request 200114 Tube Holder Housing, 7-10 x 175mm, 5/8", L265 Price on request