Item Type: Deep Breathing Lung Exerciser <br>Material: Plastic <br>Size: Approx. 13.7 x 13.3cm / 5.4 x 5.2in <br>Capacity: 600ml, 900ml, 1200ml<br>1、LUNG CAPACITY TRAINING: Breathing exercises can help improve lung capacity and prevent chronic obstructive pulmonary diseases by improving its function. <br>2、STRENGTHEN RESPIRATORY: Lung can be strengthened by using these respiratory exercises, which help keep the lungs active and the airways free from contraction. <br>3、PREVENT DISEASE: Breathing exerciser can improve the efficiency of the lungs to deliver oxygen to the whole body, helping you to better resist aging and disease. <br>4、STRESS RELIEVE: Deep breath exercise device makes you breathe deeply, help to clear your mind and get rid of the stress and anxiety that comes with daily work and activities. <br>5、POSTOPERATIVE TRAINING: If you have had surgery and are not breathing well, the breathing lung exerciser can help you maintain and restore normal breathing.<p>1 x Breathing Exerciser</p><p>1 x&nbsp;Bellows</p><p>1 x Manual</p>