Your air vents collect a lot of dust, dirt, and other particles floating around in the air. They get dirty surprisingly quickly, and dirty air vents could be negatively impacting your indoor air quality. You need to clean your air vents regularly, depending on how quickly they get dirty. What do you need to do to clean your vents, and how should you do it? Visit the link for more information!
https://www.moncriefair.com/blog/how-to-clean-your-air-conditioner-vents/