Toxic ash from volcanoes, tear gas, and dust are all particle contaminates.
Start smaller than you think you need – you can always cut more away later. The bottle should fit snuggly across your face, as this prevent gas from getting into your eyes. [3] X Research source
You can purchase rubber foam online or at large hardware stores. If you can’t get your hands on rubber foam, use several layers of tape around the edges, or strips of fabric from an old t-shirt.
Seal the edge of the mask to the bottle with glue to prevent air from bypassing the mask.
Leave the cap on.
Slide the bottles together and tape them shut. If you used the same sized bottles you can slide one into the other, creating a seal. Tape the bottles together so they stay shut. This is your air filter!
Activated charcoal will absorb moisture from the air if left uncovered, making it useless, so only cut the holes when you need the filter.
Because the charcoal could absorb the moisture from the air, becoming useless, only remove the cap from your filter when you need it.
Bandanas, towels, and blankets will provide similar protection in an emergency. A simple piece of fabric can save your life against ash and dust from a volcanic explosion.
In the U. S. , poison control can be reached at the number 1-800-222-1222. [9] X Research source
