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  • Every order is carefully packed and shipped by our team in Indiana. Your purchase helps support American jobs and hardworking families right here in the Midwest. Our AIRx Furnace / AC Filters and ClearChoice Fridge Filters are made in the USA.

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  • Spend $70 or more and your order ships free! We'll get your filters out the door fast so you can enjoy clean air and water.*

    * Orders under $70 ship for $5.99.

  • Shop with confidence! If you're not completely satisfied with your purchase, you have up to one year to return it for a refund or exchange. We stand behind every filter we sell.

    Learn More

  • Every order is carefully packed and shipped by our team in Indiana. Your purchase helps support American jobs and hardworking families right here in the Midwest. Our AIRx Furnace / AC Filters and ClearChoice Fridge Filters are made in the USA.

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We don't know what's in your water,
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24x24x1 AIRx DUST Air Filter, 4-Pack

5
106 reviews
◆
 
Average rating 4.8/5
5 stars
(93)
4 stars
(9)
3 stars
(2)
2 stars
(1)
1 star
(1)
AIRx 24x24x1-DUSTOur#: 195000
Made in USA
24x24x1 AIRx DUST Air Filter, 4-Pack
24x24x1 AIRx DUST Air Filter, 4-Pack
24x24x1 AIRx DUST Air Filter, 4-Pack
24x24x1 AIRx DUST Air Filter, 4-Pack
24x24x1 AIRx DUST Air Filter, 4-Pack
24x24x1 AIRx DUST Air Filter, 4-Pack
24x24x1 AIRx DUST Air Filter, 4-Pack
24x24x1 AIRx DUST Air Filter, 4-Pack
24x24x1 AIRx DUST Air Filter, 4-Pack
24x24x1 AIRx DUST Air Filter, 4-Pack
24x24x1 AIRx DUST Air Filter, 4-Pack
24x24x1 AIRx DUST Air Filter, 4-Pack
24x24x1 AIRx DUST Air Filter, 4-Pack
Compatibility guarantee — Wrong fit or not happy - we'll make it right, up to a whole year
Change every 3 months
Change every 3 months Swap on schedule for best performance
Made with pride in Greenwood, Indiana
Made with pride in Greenwood, Indiana Your purchase supports American jobs
MERV
MERV Find your ideal filtration level
Compatibility guarantee
Compatibility guarantee Wrong fit or not happy - we'll make it right, up to a whole year

Filter Description

If you want to protect your HVAC system, keep your house a little cleaner, and remove a few nuisance particles from the air you breathe then yes, this is the filter for you! Not everyone needs to get rid of odors, and not everyone is overly sensitive to allergens and other, more harmful, particulates in their air. We make shopping for air conditioner filters and furnace filters easy!
Entry-level pleated air filter offers improved filtration over common fiberglass filters
MERV 8 rating means the filter attracts common large household allergens like dust, pollen, and mold spores
Replace every 90 days under normal use
Made with pride in the USA
100% free returns on all filters

$59.88

$74.85
Code DF20 · Save 20%
$14.97 per filter
Code DF20 · Save 20%
SAVE 47% 4-pack

Pack Size

Filtration Level

Compare all →
In Stock, Ships onTuesday, Oct. 6th
Only $70.00 more for free shipping! Add this — just more for free shipping! Buy this and your order ships free!

Orders over $70 ship free. $5.99 otherwise.

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Compare Side-by-Side

MERV Filter Comparison

Choose the filtration level that fits your home — then tap Select to update your cart above.

MERV 8
Standard
DUST
RECOMMENDED
MERV 11
Superior
ALLERGY
OPTIMAL
MERV 13
Optimal
HEALTH
Best For
STANDARD
Residential / Commercial
Healthy Families
SUPERIOR
Residential / Commercial
Allergy Sufferers
OPTIMAL
Residential / Commercial
Premium Protection
Comparable
Ratings		 MPR 600 & FPR 5 MPR 1000–1200 & FPR 7 MPR 1500–1900 & FPR 10
Filtration Captures ≥90% of large particles Captures ≥95% of large particles Captures ≥98% of large particles
Dust, Lint & Debris
Mold, Pollen
Dander, Dust Mites
Smoke & Smog
Bacteria
Odor, VOCs
Your
Filter
MERV 8
Standard
DUST
Best For Residential / Commercial, Healthy Families
Comparable MPR 600 & FPR 5
Filtration Captures ≥90% of large particles
Dust, Lint & Debris
Mold, Pollen
Dander, Dust Mites
Smoke & Smog
Bacteria
Odor, VOCs
RECOMMENDED
MERV 11
Superior
ALLERGY
Best For Residential / Commercial, Allergy Sufferers
Comparable MPR 1000–1200 & FPR 7
Filtration Captures ≥95% of large particles
Dust, Lint & Debris
Mold, Pollen
Dander, Dust Mites
Smoke & Smog
Bacteria
Odor, VOCs
OPTIMAL
MERV 13
Optimal
HEALTH
Best For Residential / Commercial, Premium Protection
Comparable MPR 1500–1900 & FPR 10
Filtration Captures ≥98% of large particles
Dust, Lint & Debris
Mold, Pollen
Dander, Dust Mites
Smoke & Smog
Bacteria
Odor, VOCs

Swipe or use arrows · tap to select

MERV (Minimum Efficiency Reporting Value) is an ASHRAE industry standard for measuring air filter efficiency.

Compatibility guarantee

Wrong fit, leak, or just doesn’t work? We’ll send the right one. Free return shipping for all orders.

365-day satisfaction

Not happy? Send it back any time in the first year — we’ll make it right. Yes, even an open pack you’ve been running for months.

No-hassle returns

No restocking fees, no return-merch authorization mazes — just start a return and our helpful Customer Experience team will assist.

Filter Maintenance

Is it time to change your Filter?

Generally, we recommend you replace your air filters every 90 days. Find out below if you should change your filters more often.

If someone in your home has asthma or allergies change your filter every

6 Weeks

to ensure indoor air quality is at its best.

If you have pets change your filter every

2 Months

to avoid shedding and odor buildup.

If you have young children change your filter every

2–3 Months

as having clean air is even more important with children in your home.

Filter Specifications

What does this filter remove?

Filtration capabilities
Nominal Size
24 × 24 × 1"
Actual Size
23 ⅜ × 23 ⅜ × ¾"
Filter Media
Electrostatically charged 100% synthetic gradient media that does not support microbiological growth
Filter Support Grid
30 gauge galvanized expanded metal grid
Frame
Moisture resistant double-wall beverage board
Max Temperature
180F (82C) continuous service, peak 225F (107C)
Max Humidity
Resistant to 100% R.H.
Initial Resistance
0.18" WC
Rated Velocity
295 FPM

Performance Testing

Performance Rating

MERV (µm) PSE (%) 0.3-1.0 1.0-3.0 3.0-10 Airflow Rate (CFM) 590 885 1180 1475 1180 * * Max Rated Airflow
8 17 50 70 Initial Resistance (IWC) 0.07 0.11 0.17 0.23 0.17 *
MERV
8
(µm) PSE (%)
0.3-1.0 17
1.0-3.0 50
3.0-10 70
Airflow Rate (CFM) Initial Resistance (IWC)
590 0.07
885 0.11
1180 0.17
1475 0.23
1180 * 0.17 *
* Max Rated Airflow

Replaces These Filters

National Filter Sales

PF-01-242401-6

About This Product

Is this the right air filter for you?

If you want to protect your HVAC system, keep your house a little cleaner, and remove a few nuisance particles from the air you breathe then yes, this is the filter for you!  Not everyone needs to get rid of odors, and not everyone is overly sensitive to allergens and other, more harmful, particulates in their air.  We make shopping for air conditioner filters and furnace filters easy!

  • Entry-level pleated air filter offers improved filtration over common fiberglass filters
  • MERV 8 rating means the filter attracts common large household allergens like dust, pollen, and mold spores
  • Replace every 90 days under normal use
  • Made with pride in the USA
  • 100% free returns on all filters

Customer Reviews

4.8 4.8 out of 5 stars
106 verified reviews
5★
(93)
4★
(9)
3★
(2)
2★
(1)
1★
(1)
5
4.8 / 5 (106)
JOHN P. 248 days ago
5
Great product at a good value!
Code b. 489 days ago
5
It is just what I have been using for years. Does a great job keeping everything clean.
Jerry S. 496 days ago
5
Your service is amazing! The product was received in good order. Thanks again. J. Smith
John J. 644 days ago
5
This is one of the top 5 companies I’ve dealt with over the years! Easy ordering, delivered on time, great value…what could be better. The even covered me for a mistake I made one time.
Dick J. 652 days ago
5
I have used your product for years. Always satisfied and like the filter options available
Rebecca 715 days ago
5
Good service and good quality, better pricing.
Barbara D. 898 days ago
5
The filter is more heavy duty than I felt that you would buy at Home Depot or Lowe’s.
Randall C. 912 days ago
5
Great filters and great company. Highly recommend...
Robert S. 979 days ago
5
Product is as described and provides a cost savings when buying in bulk. The quality of these filters allow for less changes as per their instructions. They arrive in a well constructed box to keep each filter from being crushed and or damaged.
Ronald W. 1124 days ago
5
Excellent support
David S. 1151 days ago
5
Filters were nicely constructed
Bernice H. 1177 days ago
5
Easy to buy great product and good price
Steven M. 1246 days ago
5
quality and service excellent
Barbara D. 1253 days ago
5
The filters are dust proof, when I change them they are still quite clean
Hollywood S. 1338 days ago
5
Excellent product! Fits well and is what we needed.
Jennifer R. 1453 days ago
5
Work great
Valerie C. 1513 days ago
5
Works well, good to know made in USA.
David D. 1524 days ago
5
Excellent customer service!
A o. 1713 days ago
5
High quality. Company dependable.
robert w. 1776 days ago
5
Delivery was quick and order it was fine
Valerie C. 1785 days ago
5
Difficult to find size where I live. I’ve bought these for years from these guys. Very easy to do business with.
Teresa S. 1899 days ago
5
Would not buy my filters anywhere else!
Betty M. 1909 days ago
5
Good product, fast service, good price. Enough said.
Karen D. 1929 days ago
5
Works very well...filters out very well..wr have older air conditioner.
Code b. 1937 days ago
5
Always good service.. thank you.
William D. 1959 days ago
5
Quick. Easy. Value. Boxes rec'd in good shape.
New P. 1988 days ago
5
Good product at the best price I've found for it.
JOHN 2027 days ago
5
Quality is good and this is the size I need for my HVAC system. Many of the 24” x24” x 1” won’t fit the filter holder on our system.
Luzern G. 2209 days ago
5
The filters were fine.
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