What respirator is made of
A filtering mask (the anti-plague mask — Wu Lien-teh).
- Melt-blown filter layer — has part. An electrostatic precipitator.
- Exhalation valve — has part. It makes exhaling easier.
- Nose clip wire — has part. A snug fit.
- Vulcanized rubber — is made of. The mask is rubber.
- Activated carbon — is made of. The filter is activated carbon.