Single Tube Holder Kit, 5 x 150mm [Kitagawa TWA Tu Back Catalog number: 800263 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9975-50 Sorbent Tube, XAD-2, 8X110, 400/200, 50/BX Price on request 800260 Single Tube Holder Kit, 7-10 x 150mm Price on request 800262 Single Tube Holder Kit, 7 x 130mm [Draeger Long T Price on request