NIB 5000ml Lung Exerciser Incentive Spirometer Breathing Trainer Brand new factory sealed 5000ml Lung Exerciser. Features adjustable resistance levels, flow rate indicator, inhale/exhale training, flexible tube, and progress tracking measurement chamber. Perfect for wellness, fitness, breathing exercises, and respiratory training. Ships same day or next business day from a smoke-free home. Bundle items for additional savings. Please review all photos carefully. Colors and packaging appearance may vary slightly due to lighting, camera settings, and screen displays. #lungexerciser #spirometer #breathingtrainer #wellnessgear #fitnessequipment