Price: $67.99 - $60.17
(as of Jun 24, 2025 12:29:22 UTC – Details)
Filtrete 20x20x4 MPR 1550 Air Filter, made by 3M, helps capture unwanted particles and allergens from your household air to contribute to a clean home environment. Designed with exclusive Filtrete 3-in-1 technology, including a high MPR 1550 and MERV 12 rating, your AC filter will help pull and capture countless microparticles – such as pet dander, smoke and smog – while letting cleaner air flow through. This air filter captures up to 50% of small particles (1), like bacteria and particles that carry viruses, to help make your air cleaner. Your Filtrete Filter will also capture large particles, including lint, pollen and household dust. Use a 12-month 4-inch home HVAC filter in your compatible furnace, air conditioner or HVAC system. For optimal performance of your 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 (2). Residential use only. (1) % 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. (2) Based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters (3) As outlined in report ASCR: 1246-01.
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: MPR 1550 + MERV 12 AC Furnace Air Filter helps capture 50% of small particles from the air passing through it. (1)
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
FOR RESIDENTIAL use only
Customers say
Customers find the air filter works well for six months at a time, effectively filtering air and keeping homes dust-free. They appreciate its quality, ease of installation, and good value, with one customer noting it’s a perfect replacement for expensive Honeywell brand filters. The fit receives mixed feedback – while some say it fits perfectly, others report it’s about a quarter inch too large.
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