Filtrete 16x20x1 Air Filter, MPR 1500, MERV 12, Healthy Living Ultra-Allergen 3-Month Pleated 1-Inch Air Filters, 6 Filters

The higher the MPR, the more microparticles - such as pollen, pet dander, smoke, bacteria and viruses - your filter will capture from the air Filtrete MPR 1500 has a rating of MERV 12 For optimal performance of your heating and cooling system or HVAC system, change your air filter at least every 90 days for 1" filter and at least every 12 months for 4" and 5" filters A dirty filter slows down airflow and makes the system harder to keep you warm or cool - wasting energy. Sign up for a filter change reminder program that works for you International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions., Weight: 3.471 pounds, Manufacturer: 3M