The Flow is used in combination with a spirometer and a clean filter. Spirometer measures total volume and flow of air through the tube. Increase Inspiratory Muscle Strength: Breathe in maximum volume. Increase Expiratory Muscle Strength: Exhale with maximum force. Improve Breathing Rhythm: Breathe at a specific pace. Visualizations enhance patient understanding and effectiveness. Insights into patient progress for both therapist and patient. Engages patients with impaired cognitive function or mild to moderate disabilities.