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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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12x30x1 AIRx ALLERGY Air Filter - MERV 11

5
33 reviews
◆
 
Average rating 4.7/5
5 stars
(26)
4 stars
(4)
3 stars
(2)
2 stars
(1)
1 star
(0)
AIRx 12x30x1-ALLERGYOur#: 109883
Made in USA
12x30x1 AIRx ALLERGY Air Filter - MERV 11
12x30x1 AIRx ALLERGY Air Filter - MERV 11
12x30x1 AIRx ALLERGY Air Filter - MERV 11
12x30x1 AIRx ALLERGY Air Filter - MERV 11
12x30x1 AIRx ALLERGY Air Filter - MERV 11
12x30x1 AIRx ALLERGY Air Filter - MERV 11
12x30x1 AIRx ALLERGY Air Filter - MERV 11
12x30x1 AIRx ALLERGY Air Filter - MERV 11
12x30x1 AIRx ALLERGY Air Filter - MERV 11
12x30x1 AIRx ALLERGY Air Filter - MERV 11
12x30x1 AIRx ALLERGY Air Filter - MERV 11
12x30x1 AIRx ALLERGY Air Filter - MERV 11
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 promote superior air quality in your home, this is the air filter for you! The specialized media in the filter attracts and captures small particles that can cause allergies. We carry your size of air conditioner filter or furnace filter. We offer convenient online ordering and quick shipping right to your door!
Pleated media provides extended surface area for filtration, and low resistance to airflow
MERV 11 rating means the filter attracts household allergens like dust, pollen, mold spores, dander, smoke and smog
Replace every 90 days under normal use
Made with pride in the USA
100% free returns on all filters

$94.95

$118.69
Code DF20 · Save 20%
$15.83 per filter
Code DF20 · Save 20%
SAVE 0% 6-pack

Pack Size

Filtration Level

Compare all →
In Stock, Ships onThursday, Oct. 1st
Add $70.00 more to unlock free shipping! Add this and you're just from 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
12 × 30 × 1"
Actual Size
11 ⅞ × 29 ⅞ × 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) 369 553 738 922 738 * * Max Rated Airflow
11 29 68 86 Initial Resistance (IWC) 0.09 0.13 0.19 0.25 0.19 *
MERV
11
(µm) PSE (%)
0.3-1.0 29
1.0-3.0 68
3.0-10 86
Airflow Rate (CFM) Initial Resistance (IWC)
369 0.09
553 0.13
738 0.19
922 0.25
738 * 0.19 *
* Max Rated Airflow

Replaces These Filters

National Filter Sales

PF-02-123001-6

About This Product

Is this the right air filter for you?

If you want to promote superior air quality in your home, this is the air filter for you!   The specialized media in the filter attracts and captures small particles that can cause allergies.   We carry your size of air conditioner filter or furnace filter.  We offer convenient online ordering and quick shipping right to your door!

  • Pleated media provides extended surface area for filtration, and low resistance to airflow
  • MERV 11 rating means the filter attracts household allergens like dust, pollen, mold spores, dander, smoke and smog
  • Replace every 90 days under normal use
  • Made with pride in the USA
  • 100% free returns on all filters

Customer Reviews

4.7 4.7 out of 5 stars
33 verified reviews
5★
(26)
4★
(4)
3★
(2)
2★
(1)
1★
(0)
5
4.7 / 5 (33)
William C. 27 days ago
5
The filters work perfectly, it is always dusty in Arizona and these are exactly what we need.
roberto p. 474 days ago
5
I've been using these for years. Fantastic.
Addison E. 808 days ago
5
Came in a timely way and fit well. They work great! Thanks!
Jacquelyn G. 833 days ago
5
Easy to order Quick to arrive
Curtis S. 845 days ago
5
Very allergic feels it helps with mold spores so changed to merve 11.
Linda A. 1009 days ago
5
I love my filters!! A lot better quality with much lower cost
Don H. 1291 days ago
4
Works well for allergies
John S. 1917 days ago
5
Excellent filter.
Linda A. 2173 days ago
5
Great product!! Helps with my husbands allergies and with pet dander. Quality is much better that what I use to purchase at the store.
Jennie G. 2180 days ago
5
Excellent process ordering online. Very happy with price and quality of filter. Had been paying more for a lesser quality product. Glad I found this site.
Don H. 2252 days ago
5
Very Good Filter for a reasonable price. This size filter not commonly found in many stores
Bill C. 2539 days ago
5
Well made , fits great .
PNicholson 2562 days ago
5
Perfect product for my system. Will use again when needed thank u
Denise B. 2562 days ago
5
These filters are comparable to pricier ones. No warehouse stores carry this quality so special orders are required anyway but shipping is not always free.
Linda A. 2725 days ago
5
This size filter is hard to find. Sometime I have to go to several stores before I find it. These are good quality filters and I'm happy to have them delivered to me and also at such a good price
Dan K. 2779 days ago
5
Been very satisfied over many years of using this product. Quick response to online orders.
John.Dexheimer 3487 days ago
5
Great product at a great price
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