Purchase Qty. Reference FOB Price
100-499 Pieces US$8.00
500+ Pieces US$5.50
Product Description
3000 cc large volume breathing exercise Respiratory Trainer with 1 ball Using an three balls spirometer is important because it can help to: 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 ...