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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,
but we know there's nothing in your cart.

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14x24x1 AIRx DUST Air Filter, 4-Pack

5
116 reviews
◆
 
Average rating 4.8/5
5 stars
(100)
4 stars
(13)
3 stars
(1)
2 stars
(0)
1 star
(2)
AIRx 14x24x1-DUSTOur#: 194387
Made in USA
14x24x1 AIRx DUST Air Filter, 4-Pack
14x24x1 AIRx DUST Air Filter, 4-Pack
14x24x1 AIRx DUST Air Filter, 4-Pack
14x24x1 AIRx DUST Air Filter, 4-Pack
14x24x1 AIRx DUST Air Filter, 4-Pack
14x24x1 AIRx DUST Air Filter, 4-Pack
14x24x1 AIRx DUST Air Filter, 4-Pack
14x24x1 AIRx DUST Air Filter, 4-Pack
14x24x1 AIRx DUST Air Filter, 4-Pack
14x24x1 AIRx DUST Air Filter, 4-Pack
14x24x1 AIRx DUST Air Filter, 4-Pack
14x24x1 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

$54.95

$68.69
Code DF20 · Save 20%
$13.74 per filter
Code DF20 · Save 20%
SAVE 45% 4-pack

Pack Size

Filtration Level

Compare all →
In Stock, Ships onTuesday, Oct. 6th
You're $70.00 away from free shipping! Buy this and you're only from free shipping! Buy this and your order ships free!

Orders over $70 ship free. $5.99 otherwise.

Your Order Ships Free!

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
14 × 24 × 1"
Actual Size
13 ¾ × 23 ¾ × 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) 344 516 688 860 688 * * 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)
344 0.07
516 0.11
688 0.17
860 0.23
688 * 0.17 *
* Max Rated Airflow

Replaces These Filter

National Filter Sales

PF-01-142401-6

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
116 verified reviews
5★
(100)
4★
(13)
3★
(1)
2★
(0)
1★
(2)
5
4.8 / 5 (116)
Doris W. 379 days ago
5
Well made and exactly what I needed.
Jeffrey L. 438 days ago
5
These are good filters for a better price than Wal-Mart.
Rooplall P. 443 days ago
5
So fat it has been very efficient and effective.
Barbara H. 488 days ago
5
Easy order, easy delivery
Kim R. 526 days ago
5
I have an odd sized filter, so they fit perfectly.
Joseph W. 635 days ago
5
Great bargain, good product and ordering and receiving was a snap.
Byron C. 655 days ago
5
I have purchased before Works great
Jeffrey L. 761 days ago
4
they are good filters and probably good value for the money but they are always getting crushed in the shipping so they end up not being such a good value.
Bruce E. 766 days ago
5
Very good indeed
Andy 800 days ago
5
I change these filters out every three months and they work well the whole time.
Sue J. 827 days ago
5
I forget what I paid for them. But, I remember they were cheaper than I could find elsewhere. And, they work great. I will buy again ??
ROBERTA N. 883 days ago
5
Easy to order and sent quickly..
Eddie H. 896 days ago
5
I’ve been using this product for years. Great filters. Great customer service
Jeffrey L. 931 days ago
4
This filter has been a very good one last year but I cannot be for sure anymore. they have changed some and they always get crushed a little in shipping. That is my opinion and all i can say about it.
Beth 998 days ago
4
Arrived quickly and in great shape!
Klamath L. 1097 days ago
5
The product does it's job, but more importantly to me is the outstanding service.
Phillip L. 1130 days ago
5
Always reliable, dependable, and quality.
Dan E. 1200 days ago
5
Quality product with onetime delivery.
Janice W. 1493 days ago
5
Very nice!! Working VERY well and it is a size that is hard to find around here and the price is better too!! LOVE them- helping my allergies too.
Jeffrey L. 1663 days ago
5
I got my filters and they were undamaged. I haven't started using them yet but at least they made it without any damage to them.
Joe E. 1709 days ago
5
Have used product a number of times as part of regular schedule for filter replacement.
CARMEN S. 1733 days ago
5
Perfect fit
Paul F. 1778 days ago
5
Great on time quality product at great price.
Jose B. 1778 days ago
5
Good price and faster library
terry b. 1781 days ago
5
fast services good quality
Robert H. 1783 days ago
4
I believe this filter probably removes 90-95% of contaminates circulating in our home, which for the money, is a real bargain.
Mike B. 1783 days ago
5
Enjoy the prompt attention and delivery
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