Filtrete Electrostatic Air Filter 700 MPR 7121-4, 21.5 in x 23.5 in x 1 in (54.6 cm x 59.6 cm x 2.5 cm) Case of 4

• A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy. Sign-up for a filter change reminder program (www.filtrete.com/ChangeReminders) that works for you!
• ATTRACTS AND CAPTURES particles such as lint, pollen, dust, and pet dander.
• CREATE A CHANGE COUNTDOWN in the Filtrete Smart App. Simply use the app to scan the barcode on your filter’s packaging, then choose 30, 60 or 90 days for your replacement countdown. When the lifespan is up, you’ll get a notification to change your filter
• DESIGNED WITH EXCLUSIVE Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through.
• FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 in. filters and 12 months for 4 - 5 in filters.
• FOR RESIDENTIAL use only
• MPR 700 has a rating of MERV 8
• OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. air filters for your furnace, air conditioner or HVAC system
• The higher the MPR, the more microparticles - such as pollen, pet dander and smoke - your filter will capture from the air passing through it

The Filtrete Dust, Pollen, and Pet Dander outperforms nonelectrostatic pleated and washable filters. This filter helps capture particles including lint, pollen, dust and pet dander. For residential use only. You run a tight ship at home, from floor to ceiling--and everywhere in between. Unfortunately, ordinary home non-electrostatic air filters aren’t super effective at capturing unwanted particles. GOOD NEWS : The unique design of the electrostatically charged Filtrete Dust, Pollen & Pet Dander Air Filter attracts--and traps--more particles from your air through your heating and cooling system, making quality control a breeze. With each cycle through the filter, your indoor air becomes a little bit cleaner.

Trusted Filtrete Brand Model

The Filtrete Electrostatic Air Filter 700 MPR 7121-4 is designed by Filtrete, a trusted name in air filtration. This model uses electrostatic technology to attract and capture particles, improving your indoor air quality effectively.

With the 700 MPR rating, this filter captures more microparticles like pollen and pet dander than standard filters. It’s a reliable choice for maintaining cleaner air in your home.

Precise Filter Dimensions Fit

This air filter measures 21.5 in x 23.5 in x 1 in (54.6 cm x 59.6 cm x 2.5 cm), ensuring a perfect fit for compatible HVAC systems. Proper sizing helps maintain optimal airflow and system efficiency.

Using the exact dimensions means your heating and cooling system won’t have to work harder, saving energy and extending the life of your equipment.

Effective Electrostatic Technology

The filter features exclusive Filtrete Brand 3-in-1 technology from 3M, which traps unwanted air particles while allowing cleaner air to flow through. This electrostatic charge attracts dust, lint, and pet dander efficiently.

This technology outperforms fiberglass, washable, and non-electrostatic filters, making it a smart upgrade for your furnace, air conditioner, or HVAC system.

Convenient Four-Pack Format

This product comes as a case of 4 filters, providing a convenient supply for regular replacement. Having multiple filters on hand helps you maintain your system without interruption.

Changing your filter every 90 days is recommended for 1-inch filters like this one, so the four-pack supports consistent upkeep for cleaner air year-round.

High Performance Grade

The 700 MPR filter corresponds to a MERV 8 rating, indicating strong particle capture performance. This grade balances filtration efficiency with airflow to keep your HVAC system running smoothly.

Higher MPR means more microparticles such as pollen, pet dander, and smoke are captured, improving indoor air quality and comfort in your home.