Moldex 8910 N95 particulate respirator disk is made to be used with 7000/8000 series half mask respirators. The N95 filter is NIOSH certified to be 95% efficient against non-oil based particulates. This filter is versatile and can be combined with any Moldex gas/vapor cartridge. Ideal for hot and dusty environments such as welding, grinding, lime, metal machining, aluminum processing, bagging, brazing, buffing, cement work, foundries, and more. Combine the 8910 N95 Pre-filter with the 7020 retainer to use with any Moldex gas/vapor cartridge.