Filtrete 20x20x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.88 x 19.88 x 4.31)

Filtrete 20x20x4 MPR 1000 Air Filter, made by 3M, helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment. Designed with exclusive Filtrete 3-in-1 technology, including an MPR 1000 and MERV 11 rating, your AC filter will help pull and capture countless microparticles – such as pet dander, smoke and smog – while letting cleaner air flow through. Your Filtrete Filter will also capture large particles, including lint, pollen, mold spores and household dust. Use a 12-month 4-inch home HVAC filter in your furnace, air conditioner or HVAC system. For optimal performance of your heating and cooling system or HVAC system, change your 4-inch furnace filter at least once per year. Fits systems calling for a filter thickness of 4.31" and larger. Filtrete Brand is North America’s most trusted brand of HVAC Filters (1). (1) Based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters (2) % captured is based on ASHRAE 52.2 testing for 0.3 to 1 micron particles from the air passing through the filter, which relates to HVAC industry standard efficiency testing.

• DIFFERENT FROM NOMINAL SIZE: Slightly different from the nominal size, this air filter’s exact dimensions are 19.88 in x 19.88 in x 4.31 in, This item is a 2-pack of 12-month Filtrete Air Filters
• DESIGNED TO FIT: Honeywell brand media air cleaners
• MAKE YOUR HOME YOUR SANCTUARY: 1000 MPR + MERV 11 rating helps capture up to 2X more microparticles than MERV alone(2)
• EXCLUSIVE TECHNOLOGY: Designed with exclusive Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
• CERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air
• CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your 4-inch filter at least once every 12 months
• SMART APP: Use the Filtrete Smart App (iOS or Android) to set 90-, 180- or 365-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