HEPA air cleaners are one of the most effective ways to remove even the smallest of particles from the air in your home. Using technology developed by the government in the 1950s to protect servicemen from radioactive particles, HEPA air cleaners will reliably and efficiently keep the atmosphere in your home free from wandering particles. The HEPA in the HEPA air cleaner stands for high efficiency particulate arresting, which basically means that the HEPA filter is supremely good at stopping .