FASK MASK W/ELASTIC EAR LOOP SPUN BONDED POLYPROPYLENE; 3-LAYER; PLEATED; FASTENED WITH ULTRASOUND AT 2 SIDE EDGES; BACTERIAL FILTRATION EFFICIENCY (bfe) >97%; ANTI-FOG SWEAT BAND; CUSTOM FIT NOSEPIECE ADJUSTS TO CONTOUR OF FACE. BLUE; 50/BOX; 6BX/CS