Disposable face mask

Material:Inner layer (touching skin): SPP, weight: 16 to 30 g/M2; Middle filter: melt blown filter, weight: 20 g/M2; Outer layer: SPP, weight: 16 to 20 g/M2Regular Size: (width) 175 mm x (high) 95 mm2 Ear loops’ length: 185 mm, tolerance: 5 mmNose strip: melt strip covered by PVC, inside stitched, length: 100 to 120 mmRegular color: white, blue, green, yellow, pinklatex & fiberglass freeNon irritating to skinPerformance data:

(1) PFE (Particle filtration efficiency): avg. 93% at 0.1 microns or higher

(2) Differential pressure, delta p (breathability): avg. 1.6 mm H2O

(3) BFE (bacterial filtration efficiency): avg. 95% or 99.9% at 2.7 microns or higher