Spirometer : Incentive Volumetric Exerciser Hudson RCI 4000ml: Voldyne

Description

Large-volume measurement and advanced low-work-of-breathing filter. Contains gradations on both sides of unit, and good/better/best flow window for visualization of display improvement. Large volume measurement up to 4000mL inspired air. Good – Better – Best flow-window. Compact, ergonomic design. Advanced, low work-of-breathing filter design. Built-in handle. Voldyne Volumetric Exerciser 4000 mL