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FEND > Airway Hygiene System

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Developed by a Harvard Scientist


For over two decades, Professor David Edwards has been a leader in respiratory health. FEND's technology - originally developed for Anthrax protection - uses precisely calibrated, calcium-enriched salts to clean the airways.


Awarded & Recognized

FEND was selected as one of TIME's 2020 Best Inventions

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Protect Yourself from Airborne Particles

As many as 10 billion particles can be inhaled every day. That’s billion, with a “b.” The key is to keep them out of your lungs and keep you from breathing them back out.

The science of FEND

Two Breaths to Better Airway Hygiene

Just two hydrating inhalations of FEND mist gives you peace of mind that you're taking that extra step to cleanse your airways for up to 6 hours.

Our Specially Designed Mister

Delivers an optimized solution of salts to the right places - where respiratory droplets form in your upper airways, keeping them out of your lungs and keeping you from exhaling them.

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FEND Airway Hygiene

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