Posted by Paul(in NY) [12.64.108.224] on Thursday, December 13, 2012 at 21:52:21 :
In Reply to: Re: Air Compressors for Breathing Air posted by Paul(in NY) [12.64.140.247] on Thursday, December 13, 2012 at 21:46:33 :
The NIOSH approved hood on my supplied air respirator covers the entire head and has snaps so you can get it snug around the neck. Its a positive pressure system. The hood inflates with fresh air, excess air blows out the hood/neck interface. This way air is going out, bad air can not come in.
Paul
Follow Ups: