• Filter P3 Against Particles
• Filter is Made of Black High-density Polyethylene
• It Allows Inhalation While Retaining Solid & Liquid Particle
• Designed To Be Used With The Masks 731-S And 731-C
• And Also With Masks With a Standard Thread (DIN EN 148/1)
• R mark: Reusable

Safety Standard: Norms: EN 148/1 (thread), EN 143: 2000+A1:2006 (filter)