Min. Order Reference FOB Price
10 Pieces US$260.00-350.00 / Piece
Product Description
Medical Portable Incentive Lung Respiratory Exerciser Test Pulmonary Function Test Spirometer FEATURE: 1.4 layer filtration 4-layer filter structure, effectively blocking pollutants 2. Plastic bridge strip After pressing, it fits the bridge of the nose to prevent fogging of glasses and ...