Price per pack of 10. Mask not included. Product details: First layer made of spunbod cloth and filters micron-level dust Second layer filters industrial pollutants, automobile exhaust, second-hand smoke and pollen allergens Third layer made of activated carbon cloth which also filters micron-level dust Fourth layer offers filter density for smaller materials Fifth layer made of spunbond cloth Pack of 10 Individual filter dimensions: 12.1 x 8cm
