This product comes with a pack of 3 Filtrete Nutone MicroAllergen Bags in a pack having dimensions 7 x 2.5 x 9.8 inches and weighing just one pound. It has a unique feature of sucking air through the bag, and hence, captures nearly 94% of dust particles which are larger than 1 micron sizes.
They can capture nearly 57% of particles between 0.3 to 1 micron sizes, which includes grass, pollen grains, a major cause for breathing allergies and also dust mite debris. Apart from these they are also capable of capturing fibers and other allergens, but the bag needs to be changed every 1-2 months for optimum performance.
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