GENUINE REPLACEMENT PART: Ensure proper breath protection with these genuine replacement P3 filters for the Trend Air Stealth Half Mask (STEALTH/ML) or (STEALTH/SM). HIGH FILTRATION: The twin HEPAC pleat encapsulated construction filters 99.99% of airborne particles and aerosols 0.3 microns and above. Stay protected in your workshop and at the job site. TRUE COMPATIBILTY: Designed specifically for use with the Trend Air Stealth Half Mask. If you are the proud owner of a Trend Air Stealth Half Mask then these replacement filters are what you need. QUALITY DESIGN: Engineered with a twin HEPAC (High Efficiency Particulate Air Composite) pleat encapsulated design for reliable and effective filtration of airborne particles. BULK PACK INCLUDES: Each package includes ten P3 filters (5 Pairs) for the Trend Air Stealth Half Mask (sold separately). These filters conform to NIOSH P3 and APF10 x WEL., Manufacturer: Trend