The AO Safety #95190 model respirator has 2 straps which are adjustable for best fit, plus 2 exhalation valves, plus the replaceable filter pad at the intake. The area of coverage is narrow enough that it doesn't fog up your glasses (or any of the goggles I've tried it with). I've used lots of diffe...

The best respirator that I've found that didn't fog up my glasses & wasn't huge is the AO Safety #95190. There are a few sources on Amazon, here is a better image 4 afew bucks more: http://www.leevalley.com/wood/page.asp?page=31235&category=1,42207&ccurrency=2&SID= I think I got mine @ OSH (Orchard ...