Model: Civil Size: 16*10.5 CM Applicable People: Adult Filter Rating: 95% BFE: 95% Color: White Shelf Life: 2 Years Disinfection Type: Non-sterile Instrument Classification: Class ll Safety Standard: EN14683:2019 Quality Certification: CE Package: 50 Pieces/box; 40 boxes/Carton Carton Size: 42.5*41.5*29 CM