Fresh air is wonderful. I believe that fresh air in the house is also important to have, so I decided to buy an air purifier. This site https://freshairdevices.com/best-air-purifiers-for-a-home-gym/ reviews the 5 best air purifiers for the home gym that I have. It is important to clean the air there. Fortunately, this site helped me decide on a choice and I bought an excellent model.