Min. Order Reference FOB Price
1000 Pieces US$1.00-2.00 / Piece
Product Description
Best Selling Pulmonary Function Lung Exerciser Three Balls Spirometer for Breathing Training FEATURE: Open your airways and make it easier for you to breathe. Prevent a buildup of fluid and mucus in your lungs. Prevent a collapse of one or both your lungs. Prevent serious lung infections ...