If you were within an emergency where the substance or biological weaponry is being used then getting a gas cover-up would really be the difference between life and loss of life.
If on the other palm there have been swine flu, parrot flu or another pandemic that is airborne nasal and mouth filter systems may possibly work better. Some of the most popular Gas Masks right now are the ones that result from Israel because they are constantly kept up to date with new improvements.
The gas cover-up isn’t really a service you’d be in a position to wear on a regular basis. It’s for a brief duration use within a crisis situation. Many haven’t any way to drink in them and aren’t the most comfortable success items which you will wear. The newspaper filtration system masks can be worn with regularity rather than be practically as troublesome as a gas cover up.
So having said that in case you have a gas cover up in your success gear kit? I love to think as a prepper which I try to be ready for a number of emergency situations.
For approximately 20-40 us dollars you can get a gas cover up and become ready for whatever disaster survival situation arises. I’d also ensure that you have a way to obtain newspaper masks for airborne pathogens in case there is the pass on of infectious disease.