3M 5N11 N95 Prefilter

The 3M 5N11 N95 Particulate Filters are NIOSH approved for protection against solid and liquid particles – not including those that contain oil. N95 respirators filters are NIOSH certified to have filter efficiency level of 95% or greater against non-oil based particulates. The 3M 5N11 respirator filter can be used only with 3M respirators, including the 3M 6000 and 7000 series respirator facepieces. May also be used in addition to a 3M respirator cartridge when attached with a 3M 501 filter retainer.