Best Seller | BlockBuster Costumes KN95 Rated Particulate Respirator Masks Without Exhalation Valve Pack 4 KN95 rated half-face particulate respirators are the standard issue in China. These masks have been tested and rated to match the N95 United States threshold for 95% filtration. Our masks are CE certified FPP2 manufactured to the EN 149:2001 standards... more | | $31.99 $19.98 FREE shipping go to store |