Style: folding type with valve
Material: PP non-woven,filter,Large diameter circular exhalation valve, sponge sticker,nose clip,ear-loop
Size: 10.5*15.5cm
Filtration level: KN95 (If you need FFP2 or FFP3,we will customize it to your needs)
Color: Black (accept customize color)
Wear type: ear-loop or head hanging
Activated carbon: NO