Filtrete Basic Dust and Lint Filter 300 MPR 324-4, 14 in x 30 in x 1 in (35.5 cm x 76.2 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 large particles such as lint, household dust, dust mite debris and mold spores
• CHANGE FILTER AT LEAST EVERY 90 DAYS for optimal performance of your heating & cooling system or HVAC system
• 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 RESIDENTIAL use only
• MPR 300 has a rating of MERV 5
• 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, smoke, bacteria and viruses—your filter will capture from the air passing through it

The Filtrete Basic Dust & Lint Filter attracts and captures household dust and is ideal for high-velocity equipment. 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 Basic Dust Air Filter attracts -- and trap --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 Basic Model

The Filtrete Basic Dust and Lint Filter 300 MPR 324-4 is designed by Filtrete, a trusted brand known for quality air filters. This model offers reliable filtration to help keep your home’s air cleaner and your HVAC system running efficiently.

With the exact model number 324-4, you get a consistent and dependable product that fits your needs. The brand’s reputation ensures you’re choosing a filter that performs well in residential settings.

Effective Particle Capture

This filter features a 300 MPR rating, which means it attracts and captures large particles like lint, household dust, and mold spores. This helps reduce airborne debris and improves indoor air quality.

Its electrostatically charged design traps more particles than ordinary non-electrostatic filters. This makes it ideal for maintaining cleaner air through your heating and cooling system.

Precise Size Dimensions

The filter measures 14 in x 30 in x 1 in (35.5 cm x 76.2 cm x 2.5 cm), fitting standard residential HVAC systems. These exact dimensions ensure a proper fit and optimal airflow for your furnace or air conditioner.

Using the correct size helps the system work efficiently without strain, preventing energy waste and maintaining comfort in your home throughout the year.

Advanced 3M Technology

Designed with exclusive Filtrete Brand 3-in-1 technology from 3M, this filter traps unwanted air particles while allowing cleaner air to flow through. This balance supports better system performance and air quality.

The technology outperforms fiberglass, washable, and non-electrostatic filters, making it a smart choice for those wanting effective filtration without sacrificing airflow.

Convenient Four-Pack Supply

This product comes as a case of 4 filters, providing a convenient supply for regular replacement. Changing filters at least every 90 days keeps your HVAC system running smoothly and your air clean.

Having multiple filters on hand means you won’t run out, and you can easily set reminders to swap them out, ensuring continuous protection for your home’s air quality.