WHOLESALE ONLY - Large color display - Time/volume & Flow/volume graphs in real time - Fast and complete internal printer - Alpha-numeric keyboard - Connection to standard external printers - Memory - Optional O 
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WHOLESALE ONLY Windows Driven - Works with Windows XP and VISTA on a notebook or PC Complete Spirometry - FVC (Flow Volume loops and time/Volume curves), SVC (Slow Vital Capacity), MVV (Maximum Voluntary Ve 
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