3M Advanced Particulate Filter, 2291, P100, 50 pairs/case The 3M Advanced Particulate Filter 2291 is designed to make breathing easier while lasting longerNIOSH approved for environments containing certain oil and non-oil based particles. Product Information Brand 3M Part # 7000127449 Origin Country USA Product Type Accessories Extra Product InformationUse with 3M Respirators 5000 Series or 3M Cartridge 6000 Series with 3M Adapter 502, or 3M Half and Full Facepieces 6000, 7000 and FF-400 Series with bayonet filter holdersWhen properly fitted, use in a variety of applications including welding, brazing, torch cutting, metal pouring, soldering, and exposure to lead, asbestos, cadmium, arsenic, and MDA for concentrations up to 10 times the Permissible Exposure Limit (PEL) with half facepieces or 50 times PEL with full facepiecesFull facepieces must be quantitatively fit tested to claim assigned protection factor above 10 in negative pressure modeThe filter is both flame and water resistantDo not use in environments that are Immediately Dangerous to Life or Health (IDLH).Product InformationAdvanced Electret Media (AEM) is designed to provide lightweight, easy breathing comfortBayonet compatibility allows use with many 3M Half and Full Facepiece DesignsEasier breathingFlame resistantLong lastingNIOSH approved for environments containing certain oil and non-oil-based particlesQuarter turn twist for a quick and easy installationUse for protection in hazardous environmentsFor workplace/occupational use only