All the filter efficiency indicators are above 95%, effective dust prevention, PM2.5 industry, irritant gas, haze, particulate matter, allergy, pollen, automobile exhaust, etc. Ideal for colds, haze, fog, daily use
-Item Number: HO7100
-Material: 100% Polyethylene
-Size: Free size
-Weight: +/-23gsm
-Colour:as picture
-Retail pack: Opp bag