Tip - Can Air Filters Ease Asthma Symptoms?

If you have asthma, air filters and room cleaners may help with asthma control. Find out if they can help you and, if so, how to choose the right one for your home.
Tags: asthma, air filter, room cleaner, smoking, secondhand smoke, dust, pollution, particles, HEPA, CADR, ozone, hybrid, gas phase, UV, ultraviolet, germicidal, HVAC, ozone generators