Breathing Lung Expander & Mucus Removal Device Lung Exerciser Trainer Tool Home Description: Material: Plastic Color: Blue Size: as shown Features: Help you to promote mucus clearance and help you breathe better, open up your airway lungs and improve lung ventilation for a healthier life. Naturally increases the strength and capacity of your lungs through lung care therapy, which helps to clean, loosen mucus on the walls of the airways, improve lung ventilation, aid breathing and blood flow cycle. Regular training of the respiratory muscles can help improve everyone's health. Especially helpful in preventing people with: asthma, diabetes, obesity, cold chest, respiratory disease or infection, low immunity, poor health, poor health. It is lightweight, portable and easy to operate. Comfortable design requires no electricity or water for easy cleaning and maintenance. Package Included: 1pc x Breathing Exerciser