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 811-9972-50 Sorbent Tube, TenaX, 8X110, 100/50, 50/BX Price on request 800260 Single Tube Holder Kit, 7-10 x 150mm Price on request 800062-10 Tube Holder Housing End, 1/2" for 6mm OD (Packg of 10) Price on request