A face mask adapter with a HEPA filter in Gdansk, Poland by Mateusz Slodkowski / SOPA Images
The adapters allow to connect a diving mask with a HEPA filter that protects against Coronavirus infection by filtering inhaled air. the idea was created to help people by Rock fin company in which Wojciech works, distributes sets of adapter with a filter for helping the sick in hospital wards and civilians.
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