Breathe Better, Live Better! 🌬️ Harness OPEP technology for effortless mucus relief. 30-day guarantee for worry-free breathing. Lightweight design for on-the-go lung training. 99% viral/bacterial filtration for optimal airway health. Battery-free operation for uninterrupted use. OPEP tech No batteries Health boost The Mucus Relief Cleanser & Lung Expansion Device by Tilcare utilizes advanced OPEP technology to enhance lung function and promote mucus clearance. Ideal for individuals with respiratory conditions like COPD, asthma, and bronchitis, this device is easy to use, requires no batteries, and includes a free filter that eliminates 99% of harmful particles. With a 30-day satisfaction guarantee, it’s the perfect companion for anyone seeking to improve their respiratory health and overall well-being.