Filtrete Basic Dust & Lint Air Filter, 300 MPR, 322-4, 20 in x 30 in x 1 in (50.8 cm x 76.2 cm x 2.5 cm) Case of 4

• #1 Recommended Brand* (*Filtrete Brand is the most recommended brand of HVAC Air Filters based on the US Filtrete Brand Health Tracker, Ipsos, June 2022)
• 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 and dust mite debris
• 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 and smoke - 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 Brand Model

The Filtrete Basic Dust & Lint Air Filter, model 322-4, is a top choice for home air filtration. This filter comes from the #1 recommended brand, Filtrete, known for quality and reliability in HVAC air filters.

Using this model ensures you get a trusted product designed to improve your indoor air quality. The 300 MPR rating means it captures large particles like lint and dust effectively.

Effective Particle Capture

This Filtrete filter uses exclusive 3M 3-in-1 technology to attract and trap unwanted particles. It’s designed to capture household dust, lint, and dust mite debris, helping keep your air cleaner.

With a MERV 5 rating, the 300 MPR filter outperforms fiberglass and washable filters, making it a solid choice for residential HVAC systems.

Optimal Size And Format

The filter measures 20 in x 30 in x 1 in (50.8 cm x 76.2 cm x 2.5 cm), fitting most standard residential HVAC units. Its pleated 1-inch format helps maintain good airflow while capturing particles.

Designed for high-velocity equipment, this size and format ensure your heating and cooling system runs efficiently without unnecessary strain.

Convenient Pack Of Four

This product comes as a case of 4 filters, providing a convenient supply for regular replacement. Changing filters every 90 days helps maintain system performance and air quality.

Having multiple filters on hand means you won’t run out and can keep your HVAC system running smoothly throughout the year.

Smart Filter Replacement

Filtrete offers a smart app that lets you scan the barcode on your filter packaging to set a replacement countdown. You can choose 30, 60, or 90 days for reminders to change your filter.

This feature helps you stay on top of maintenance, ensuring your Filtrete Basic Dust & Lint Air Filter keeps your home air clean and your system efficient.