A simple and effective respiratory training tool designed to support lung function assessment and improve breathing capacity through guided inhalation exercises.

Benefits:
- Supports evaluation and improvement of lung function by measuring inhaled and exhaled air.
- Helps increase lung capacity and respiratory endurance over time.
- Three graduated chambers provide visible progress tracking.
- Durable, lightweight construction for comfortable daily use.
- Useful for post-surgery recovery and respiratory conditions such as asthma and COPD.

Box Components:
- Breathing exercise device with three graduated chambers.
- Mouthpiece attachment.
- Instruction manual.

Precautions:
- Read instructions carefully before first use.
- Do not force airflow if you feel discomfort.
- Not recommended for use during acute respiratory distress.
- Clean the mouthpiece before and after each session.
- Keep out of reach of children.

Side Effects:
- Mild lightheadedness if breathing too forcefully.
- Temporary throat dryness or cough due to deep breaths.
- Discomfort if resistance is too high or used excessively.
(Always adjust pace and intensity based on comfort and health status.)