The new generation of body box for thoracic gas, Q-Box, offers many options in order to ease the use for physicians, as well as, obtain better results of measurement of lung volumes by body plethysmography. Q-Box features All-in-one Testing for Lung Volumes, Airways Resistance, Spirometry, Respiratory Mechanics (P0.1, Mip/Mep), Large Cabin (873 liters) provides Comfort by maintaining High Sensitivity to Volume Changes, New High Accuracy Pneumotach, Complete Integration with all COSMED PFT/CPET Products, and Provides Compensation Chamber & TGV Calibrator for Research & Routine Quality Control.