We are offering spirometer.Usb powered ergonomic handset.Detachable and easy to disinfect digital turbine transducer.Best maneuver selection (automanual).Fvc, svc and mvv test.Indian predicated equations.Ethnic corrections.Pediatric incentives.Lungs age calculation.Flow-volumevolume-time graphs.Pre-post bronchodialation test.Trends.Doctor's notes.Auto-interpretation.Customized printing options (single and all curves).