You run a tight ship at home, from floor to ceiling and everywhere in between. Unfortunately, ordinary home non electrostatic air filters aren’t super effective at capturing unwanted particles. The good news: The unique design of the electrostatically charged Filtrete Pollen Air Filter attracts and traps more particles from your air through your heating and cooling system, making quality control a breeze. With each cycle through the filter, your indoor air becomes a little bit cleaner.Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1″ air filters for your furnace, air conditioner, or HVAC system Exclusive Filtrete Brand 3-in-1 technology from 3M traps unwanted air particles, while letting cleaner air flow through Attracts and captures large particles such as lint, household dust, dust mite debris and mold spores Filtrete 600 MPR (Microparticle Performance Rating) equates to MERV 7 For optimum performance, change your home air filter every 90 days or sooner For residential use only The higher the MPR, the more microparticles – such as pollen, pet dander, smoke, bacteria and viruses – your filter will capture from the air passing through it A dirty filter will slow down air flow and make the system work harder to keep you warm or cool – wasting energy. Sign-up for a filter change reminder program that works for you!