Use a hoodie and a welding helmet with the clear lens and dust mask if you don't have a blast hood.
Or sew up a hood from a piece of old tarp, stick a piece of Duralar on the front with Gorilla tape, and blow air into it with a shop vac.
Not too unlike the sleep apnea contraption that I tried and couldn't handle.
I believe I've seen that "alien" in an old Sci-Fi flick from the 50's !
Function over form! I've opened this thread a couple times and each time I do I bust out laughing at Steve's picture. However, I bet that thing worked like a champ. That's brilliant.
I just saw on NatGeo how to make a gas mask from two liter plastic bottles, etc.
Steve has another advantage... whisker filter.
With my luck my wife would sneak out and switch the shop vac to vacuum and I'd suffocate from the plastic being sucked tight around my head...hummm that might explain why she just up the life insurance.
My Grandfather told me: "Never eat blue food".