From the air your vacuum pulls through the bag, Filtrete Micro Allergen vacuum bags capture 94% of particles larger than 1 micron in size, including dust mite debris, grass and ragweed pollen. They also capture 57% of particles between 0.3 and 1 micron in size, including household fibers and other microscopic allergens

From the air your vacuum pulls through the bag, Filtrete Micro Allergen vacuum bags capture 94% of particles larger than 1 micron in size, including dust mite debris, grass and ragweed pollen. They also capture 57% of particles between 0.3 and 1 micron in size, including household fibers and other microscopic allergens