10Pcs PM2.5 Filter Exhale Valves Anti-fog Mask Activated Carbon Breathing Mask
Specification:
Cover material: Non-woven
Cover material: Non-woven
Function: Anti-fog / anti-dust / anti-odor formaldehyde
Size: About 10.5cm*15.5cm
3D shape is more fit, more breathable and more comfortable
â‘¡ Edge shape fits a variety of facial shapes
â‘£ Large filter surface + breathing valve, significantly reducing respiratory resistance
