Filtrete 25x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 4-Pack 24.688x24.688x0.813 in)

MAKE YOUR HOME YOUR SANCTUARY: 4-pack of 3-month pleated Filtrete 25x25x1 MERV 11 MPR 1000 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment
COOLING SEASON READY: Keep your home cool and your air cleaner with a Filtrete AC filter (Compared to MERV minimum filter requirements)
EXCLUSIVE TECHNOLOGY: Designed with Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through (Compared to MERV 11 minimum filter requirements; microparticles are 0.3 – 1.0 in size)
COUNTLESS MICROPARTICLES: With a 1000 MPR and MERV 11 rating, your Filtrete Filter will help capture many microparticles from the air passing through it
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 filter at least once every 90 days
VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system
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
PACKAGING MAY VARY: Same great filter, fresh new look. MPR 1000 | MERV 11 product name is changing from Allergen Defense to Allergens & Pet Dander