Bliss 3 ball spirometer

Product Specifications elps improve lung expansion by training patients to increase their inhaled lung volume. Contains three color-coded balls inside the chamber to motivate and guide patients during breathing exercises. Three color-coded chambers with flow capacities of 600cc/sec, 900cc/sec, and 1200cc/sec. Made from compact, break-resistant plastic for durability and ease of use. Each set includes an incentive spirometer, a disposable mouthpiece, and a flexible tube.