If I may, I would like to quote Doug for his valuable advice as always: " In Key West, Florida, on a Search and Rescue equipment Test and Exercise with the Coast Guard"
"The Plus 10 is much superior to the Evac-U8."
This does not mean that Evacu8 would not do the job well.
How about a respirator instead. It looks like you can get a 3M 6000 full face for $94, it is a dual cartridge and you can get a variety of types of cartidges.
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