FACE MASK: 3ply ear-loop * Pass Nelson test- BFE 95%, BFE 99% * CE, ISO, FDA * Color: white, blue, green. *17.5*9.5cm*Super quality non-woven material, eliminate static electricity, soft and breathable.*High efficiency filtration material which pass NELSON test, BFE>95%*BFE>95% to help reduce patient contamination caused by exhaled microorganisms*Lightweight, three-layer construction is ...