Material: PP non woven+activated carbon filter+electrostatic cotton+melt-blown+pp non woven
Size: 16x11cm
Color: grey, black, brown
Style: earloop, five layers, inner or outside nose clip, with or without valve
Package: 1pc or 3pcs/bag; 15pcs or 20pcs /box; 150pcs/ctn, or per requested.
Customized logo is accepted
Features: Bacterial Filtration Efficiency(BFE) is >=95%, Prevent pathogen microorganisms, body fluid, particulate matters and so on. Effectively prevent PM2.5, pollen, dust, saliva and other matters from spreading.