http://www.sears.com/sr/javasr/produ...TOOL&ihtoken=1
You will need a big faced helmet or have to modify yours to get it to fit. Don't just cut it but fab it to fit under the plastic mask. Use some black RTV to seal the seams. I did this to mine and get the big mask under it. I used the bottom of a cheap $20 mask to extend the bottom of my Nextgen