Filtrete 20 in. x 25 in. x 4 in. Allergen Reduction Air Filter

The Filtrete 20 in. x 25 in. x 4 in. Allergen Reduction Air Filter is designed with exclusive 3-in-1 technology from 3M to pull in and trap unwanted air particles while allowing cleaner air to flow through your living space. It proactively captures microscopic airborne particles including smoke, cough and sneeze debris, bacteria, and viruses, along with larger particles such as lint, household dust, and pollen. Ideal for maintaining a healthier and fresher indoor environment, this air filter features a sturdy cardboard frame construction that ensures reliable performance. For optimal air quality and HVAC system efficiency, it is recommended to replace the filter at least every 90 days.