20x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Honeywell & AprilAire Space-Gard, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.88 x 24.63 x 4.31)

Filtrete 20x25x4 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
• 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 24.63 in x 4.31 in, This item is a 2-pack of 12-month Filtrete Air Filters
• DESIGNED TO FIT: Honeywell and Space-Gard 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
• 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