•  With a replaceable design, you only need to replace the filter without replacing the mask. Cleaner breathing. Activated carbon can isolate 95% of dust, pollen particles, etc.
  • ✔ Comfortable ergonomic design: comfortable fabric, adjustable nose pads and Ve / cro (hook and loop fastener) closures can meet the specific needs of most people.
  • ✔ Two valves block air: help to achieve the effect of high altitude and low air concentration conditions. This will increase the efficiency of your spirometry training to some extent.
  • Awesome features: windproof and dustproof performance, usually suitable for people who like cycling, running or other outdoor activities.
  • ✔ Our commitment: Our products are made of high-quality materials. If you have any questions about our products, please tell us, we will try our best to solve your problem after communicating with you.

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