I was going to recommend this until I saw they only have one left. I don't know how many you need.

https://www.aeromedix.com/safety-equipme...se60-smoke-hood

Jeanette Isabelle
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I'm not sure whose twisted idea it was to put hundreds of adolescents in underfunded schools run by people whose dreams were crushed years ago, but I admire the sadism. -- Wednesday Adams, Wednesday