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Portable Spirometer Peak Speed Meter Expiratory Peak Flow Meter For Monitoring Lung Breathing Function PEF Adult / Children
Specifications:
- Model: Portable vital capacity meter
- Model Number: PEF-3
- Measurement range: 50-800 L/min BTPS
- Material: Recyclable ABS plastic
- DIY Supplies: Plumbing
- Color: Children are red,Adults are blue
- Brand Name: HaiMaiYi
- Free shipping
- Free returns
- Low prices
- 5 million products