Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Back Catalog number: 800249 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800261 Single Tube Holder Kit, 7-10 x 175mm Price on request 811-9973-50 Sorbent Tube, XAD-2, 8X110, 100/50, 50/BX Price on request 800262 Single Tube Holder Kit, 7 x 130mm [Draeger Long T Price on request