Posted 3/19/2016 19:03 (#5186861 - in reply to #5186397) Subject: RE: Full face masks with ammonia filters are AMAZING for NH3 application!
I have a very good mask for working with AA but I don't believe in using it all the time. Hear me out here, When you have it on you don't know when you are "in" the vapor. Take off the mask and now it is worthless. I try not to use it unless I have to.