The Filtrete 16x20x1 Air Filter is a high-quality furnace filter designed for optimal indoor air quality. With a MERV rating of 5, it provides effective filtration against airborne particles. This 6-pack of white filters lasts for 3 months each, ensuring consistent and reliable performance. Featuring electrostatic filtration technology and synthetic filter media, this air filter is a dependable choice for maintaining a clean and healthy environment in your home. MAKE YOUR HOME YOUR SANCTUARY: 6-pack of 3-month pleated Filtrete 16x20x1 MPR 300 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter?s exact dimensions are 15.69 x 19.69 x 0.81 EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through COUNTLESS PARTICLES: With a 300 MPR and MERV 5 rating, your Filtrete Filter will help capture many particles from the air passing through it VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your filter at least once every 90 days SMART APP: Use the Filtrete Smart App (iOS or Android) to set 30-, 60- or 90-day reminders to change your air filter