Pulmonica - The Pulmonary Harmonica Designed for Non-Musicians Breathe better in as little as two weeks! Covered by Amazon's Money-Back Guarantee! No musical ability needed. Always sounds soothing just by breathing slowly and deeply. Promotes deep belly-breathing as a habit. Smooth to handle and a pleasure to use. Low frequencies loosen secretions with only a few minutes of use twice a day. Research shows benefits of low tuning. This is NOT a regular harmonica. Easy to keep clean. Can be submerged in 70%-91% isopropyl alcohol, rinsed in sterile water, and let air dry. Invented in the USA, hand-made in Germany by the world's oldest harmonica manufacturer.