Description CE approved for environments containing particulates Use with 3M™ Gas and Vapor Cartridges, 6000 Series or 3M™ Filter Adapter 603 Held in place by required 3M™ Filter Retainer, 501 Allows for replacement of particulate filters prior to change out of gas & vapour filters for cost savings Filters can help reduce inhalation exposures to a wide range of dusts, mists and other particles, including certain airborne biological particles Advanced Electret Media (AEM) is designed to provide lightweight, easy breathing comfort Simple to install Use for protection in hazardous environments . For workplace/occupational use only 5 packs of 2 filters = 10