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SKU 7100186853
Legacy SKU 70006998622
UPC 00051131974982
Catalog Number 321-4
Product Number 321-4

The Filtrete Basic Dust & Lint Filter attracts and captures household dust and is ideal for high-velocity equipment. For residential use only.

  • MAKE YOUR HOME YOUR SANCTUARY: The 3-month pleated 1" Filtrete™ MPR 300 AC Furnace Air Filter helps capture unwanted particles
  • EXCLUSIVE TECHNOLOGY: Designed with Filtrete™ 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow through
  • COUNTLESS PARTICLES: With a 300 MPR and MERV 5 rating, your HVAC filter will help capture many particles from the air passing through it
  • VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system
  • CHANGE YOUR FILTER OFTEN: For optimal performance, make sure to change your filter at least once every 90 days
  • SMART APP: Use the Filtrete™ Smart App (iOS or Android) to set 30-, 60- or 90-day reminders to change your air filter
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On it's way to you November 29   

Qty

Minimum Order 4 Items
Order Increment 4 Items
  Outstanding Air Filteration
  Perfect for Offices
  Fast Shipping
  Lowest Price Per Item
Product Dimensions
Imperial Metric
Weight 1.07365 lbs
Width 17.81496 in
Length 0.8752 in
Height 23.81299 in
Thickness 1 in 2.54 cm
Shipping Dimensions
Weight 5.325 lb
Length 18.4 in
Width 4.4 in
Height 24.9 in
Color White

PRODUCT FAQ

  1. What is the MPR rating of the Filtrete™ Basic Dust & Lint Air Filter 321-4?

    The Filtrete™ Basic Dust & Lint Air Filter 321-4 has a MPR (Microparticle Performance Rating) of 300.

  2. What are the dimensions of the Filtrete™ Basic Dust & Lint Air Filter 321-4?

    The dimensions of this filter are 18 inches x 24 inches x1 inch (45.7 cm x 60.9 cm x2.5 cm).

  3. Is this air filter effective in capturing dust and lint particles?

    Yes, the Filtrete™ Basic Dust & Lint Air Filter is designed to capture dust and lint particles for cleaner indoor air.

  4. How often should I replace the Filtrete™ Basic Dust & Lint Air Filter?

    It is recommended to replace this air filter every three months for optimal performance and air quality.

  5. Can I use this filter in my HVAC system at home or office?

    Yes, you can easily install the Filtrete™ Basic Dust & Lint Air Filter in most standard HVAC systems for improved filtration efficiency.

You run a tight ship at home, from floor to ceiling -- and everywhere in between.

At 3M, we understand the importance of maintaining a clean and healthy home environment. That's why we have developed the Filtrete Basic Dust Air Filter, a revolutionary solution to effectively capture unwanted particles in your indoor air.

Ordinary home non-electrostatic air filters may not be super effective at removing these particles, but with our electrostatically charged design, the Filtrete Basic Dust Air Filter is able to attract and trap more particles from your air through your heating and cooling system.

By using our Filtrete Basic Dust Air Filter, you can easily improve the quality of your indoor air. With each cycle through the filter, more and more particles are captured, making quality control a breeze. Your home will become a cleaner and healthier place for you and your family.

Choose the Filtrete Basic Dust Air Filter and experience the difference it can make in your home. Say goodbye to unwanted particles and enjoy a fresher, cleaner indoor environment.