Respirator filters are rated according to how much particulate matter they can reliably block. A
P100 rating
is the highest for personal respiratory
protection. As long as your mask fits properly a
P100 filter will block 99.9% of particles .
Dec 15, 2014');})();(function(){window.jsl.dh('22','
');})();(function(){window.jsl.dh('_xoidYJi_MLfG5OUP1cygqAQ82','
');})();(function(){window.jsl.dh('24','
');})();(function(){window.jsl.dh('25','
What is the shelf life of 3M\u2122 Filters? Provided they are stored unopened in the original packaging, filters will last five years from manufacture date.