Originally Posted By: ironraven
I can't think of a gas it wouldn't be a draw back for.


A truly Darwinian mask. Since the original inventor died via contamination to the eyes, the mask couldn't evolve. wink

For the shown use (urethane) Big Box home improvement stores have serviceable masks at almost no cost compared to the potential lung damage risk of a DIY mask not working. JMO


Edited by Desperado (12/12/08 03:44 AM)
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I do the things that I must, and really regret, are unfortunately necessary.

RIP OBG