The Triflo is an incentive spirometer respiratorio.Fortalece respiratory muscles, indicated for patients with chronic bronchitis. How to use: - Put in semi-sitting position or sitting - Position the incentive spirometry (Triflo) at the height of the face - Exhale normally sealing lips around the mouthpiece of Triflo - Inspire slow and deep to raise 1 or 2 cylinders and maintain inspiration without falling cylinders for a few seconds (up to 6 seconds) - Repeat 10 to 15 times every hour.