· Multi-layer folding surface design, large effective area, high filtration efficiency.
· Variable ergonomic designed nose clip, always maintains a secure dynamic seal.
· Universal designed ear loop, easy to wear.
· Breathing resistance is less than 49Pa, small ventilation resistance, comfortable wearing, and can be worn for a long time.
· PFE (Particle filtration efficiency)≥90%, splash resistance pressure≥16.0kPa(120mmHg), to protect against the spread or transmission of infectious germs during surgical interventions in operating theatres and other medical facilities.