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Navnihaal® Mechanical Air Flow Meter, Air Flow Velocity Tester for PEF, Track Any Changes in Peak Air Flow

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Free shipping on orders over $29.99

$21.99

$ 11 .99 $11.99

In Stock
  • Mechanical, No Batteries or Charging Needed
  • User-friendly, Easy to Use for Anyone
  • Durable, Impact-Resistant, Long-lasting Use
  • Portable, Compact and Lightweight
  • Easy to Maintain and Clean


It's Easy to use.