TYPE IIR Disposable Surgical Face Mask. With FDA, CE EN14683 Certification. 50 Masks per box,2,000 masks per carton. Total 3 ply. First layer: 25g 2S non-woven fabric. Layer 2:25 grams of 98 melt-blown cloth. Third layer: 25g super soft 2S non-woven inner fabric. Mask size: 17.5*9.5cm. Nose clip size: 10.6cm. Color: blue, white. Bacterial filtration efficiency (BFE) of 3.0 um ge 98%. Differential pressure (Pa/sqcm) less than 49.0. Microbial cleanliness (CFU /g) le 30. Splash protection ge 120mmHg(mm hg). Regular stock. Ship today. FDA Registration #3016713638