How Your Allergies Can Benefit From Hepa Filters Free PLR Article Hepa filters are the most effective air cleaning systems sold for home use. They are used in hospitals and doctors recommend them above other air filtration systems for Particulate Air filter. This method is more effective at removing small particles from the air than any other filtration media. They can be used alone in an air cleaner or combined with another method, such as an electrostatic air ...