Where does household and allergenic dust come from?
The average home contains over 40 pounds of dust. Each day our respiratory system has to remove over one heaping teaspoon of particulate from the air that we breathe. Dust is a combination of several substances such as fabrics, cotton linters, feathers, stuffing material, bacteria, mold spores, fungus spores, pollen, food particles, human dander, pet dander, dust mites, hairs, bits of plants and insects. All of this and other compounds found inside and outside your home combine to form household dust. It enters your home through cracks and crevices, open windows and doors, tracked in by humans, shed from clothes and from other household items. It will settle on your floors and furnishings. It will get back into your breathing environment by being kicked up from floor surfaces, escaping from your vacuum cleaner filter, or picked up and suspended by air currents. The particulate may be so small that it never settles but remains suspended in the air. The better the filter, the better its