The world Changing idea that helps clean the air you breathe


Portable and personal airway hygiene

Proud to be named a 2021 World Changing Idea by Fast Company

Backed by world-class science, FEND represents a new form of hygiene that helps your body protect against harmful air and particles.

The FEND starter kit

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FEND works best when you use it regularly, like washing your hands or brushing your teeth. Our subscription service is designed so that you never have to worry about missing FEND.