Particulate Filter P100 work with face mask together Respirator Protection Hepa Filter: approved for environments containing certain oil and non-oil based particles. recommended for nuisance level organic vapor relief and for ozone protection up to 10X OSHA PEL. Benefits l P100 particulate filters l Nuisance organic vapor relief l Comfort. l Versatile protection. l Simplicity. l Compatibility. l Exceptional filter efficiency. l Durability.