Review on 3M Exhalation FF 400 09 Respiratory Protection by Mike Modesto

This product was required for respiratory testing so ordered with the description as 5 get 1 - buy elsewhere for 1/5 prices, because you only get 1. Had to keep it on that day because of its importance. Incredible excuse. You could get the same identical $16 product ordered here to get 5 for $14 each, but if you only get one they will be $70 each.