The Filtrete 16x25x1 AC Furnace Air Filter is a high-quality pleated filter with a MERV rating of 5 and an MPR rating of 300. It is made with electrostatic filtration technology, synthetic filter media, and has a filter life of 3 months. This 6-pack of white filters is designed for furnace application, with a paper filter frame material and manufactured in Mexico by the trusted brand Filtrete. Perfect for maintaining clean and fresh air in your home. MAKE YOUR HOME YOUR SANCTUARY: 6-pack of 3-month pleated Filtrete 16x25x1 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 24.69 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 MOST TRUSTED: Filtrete Brand is North America?s most trusted brand of HVAC Filters, based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters