Perfetta Ultra is the most advanced mask product line, made with virgin medical grade technical textiles that are hypoallergenic and soft on the skin. It has tested by NELSON Laborities, meet ASTM F2101 Level 3 and EN 14683 Type IIR. - Brand: Perfetta Ultra - 04 ply - Color: Blue, white - Surgical masks - Made in Vietnam - Packing: 50pcs/box, 40 boxes/carton