What is Air Purifier and why it's worth paying for it? Smoke particulates, dust particles, and mold spores are just a few of the harmful particles floating around in the air that could wreak havoc on your respiratory system. An air purifier can help filter out polluted air in your home by capturing the most common airborne allergens β dust, mold, pollen, β and airborne pathogens like Covid- 19 viruses and bacteria. Air purifiers come in different shapes, sizes, and types. You would need to know all the details and features these devices have to help you pick the right one for your specific needs. This would require hours of research and you reading through tons of reviews. Worse still, some manufactures hype their products through misleading advertisements just to rip you off your money.