• 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.

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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.

Cart 0

We don't know what's in your water,
but we know there's nothing in your cart.

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12x12x1 AIRx ALLERGY Air Filter, 4-Pack

5
116 reviews
◆
 
Average rating 4.7/5
5 stars
(95)
4 stars
(11)
3 stars
(5)
2 stars
(1)
1 star
(4)
AIRx 12x12x1-ALLERGYOur#: 194167
Made in USA
12x12x1 AIRx ALLERGY Air Filter, 4-Pack
12x12x1 AIRx ALLERGY Air Filter, 4-Pack
12x12x1 AIRx ALLERGY Air Filter, 4-Pack
12x12x1 AIRx ALLERGY Air Filter, 4-Pack
12x12x1 AIRx ALLERGY Air Filter, 4-Pack
12x12x1 AIRx ALLERGY Air Filter, 4-Pack
12x12x1 AIRx ALLERGY Air Filter, 4-Pack
12x12x1 AIRx ALLERGY 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 the USA
Made with pride in the USA Your purchase supports American jobs
MERV 11 - Superior
MERV 11 - Superior Allergy sufferers
Actual Dimensions
Actual Dimensions 11-3/4 × 11-3/4 × 3/4"
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

All product names, logos, brands, trademarks and registered trademarks are property of their respective owners. All company, product and service names used on this page are for identification purposes only. DiscountFilters.com and National Trade Supply, LLC are not affiliated with these brands.

$54.95

$68.69
Code DF20Save 20%
$13.74 per filter
Code DF20Save 20%
SAVE 43% 4-pack

1. Filtration level

Compare all →

2. Pack size

4 pack of 12 x 12 x 1 MERV 11 Allergy

In Stock, Ships onMonday, Nov. 9th
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.

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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 × 12 × 1"
Actual Size
11 ¾ × 11 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

Particle size efficiency · MERV 11

Share of particles captured, by particle size

0.3–1.0 µm 1.0–3.0 µm 3.0–10 µm
29% 68% 86%

Airflow and resistance

Initial resistance at each airflow rate; lower resistance means less strain on your system

Airflow rate (CFM) 148 221 295 369 295
Initial resistance (in. w.c.) 0.09 0.13 0.19 0.25 0.19

Max rated airflow

Customer Reviews

4.7 4.7 out of 5 stars
116 verified reviews
5★
(95)
4★
(11)
3★
(5)
2★
(1)
1★
(4)
5
4.7 / 5 (116)
mark E. 41 days ago
5
Good thanks
michael s. 202 days ago
5
Works perfectly
John 376 days ago
5
Great product at a decent price as Home Depot/Lowe's
William S. 386 days ago
5
Easy to order online, install & replace when needed. Great price too!
STEPHEN A. 425 days ago
5
Excellent quality and fast delivery.
Benita L. 463 days ago
5
They always work good . I will continue to order them.
Gail 498 days ago
5
Fiklters came quickly and in perfect condition.
Kent M. 577 days ago
4
I was a little surprised that the package ?? labelling was different and was not labelled as an allergy filter . That is why I bought these filters. Also I received a mashed filter inside of one of the cardboard shipping boxes.
Patricia B. 635 days ago
5
I love doing business with your company. Your products are great quality and do an excellent job. I get a reminder when my order is running low and once I place my order, they arrive quickly...
Aubrie A. 643 days ago
5
Very pleased.
Elisa T. 655 days ago
5
As described.,Quality product.
David M. 714 days ago
5
Great Filter for the money
Debra G. 760 days ago
5
These are great filters; shipping was fast and price is cheaper than other sites.
Renee H. 787 days ago
5
Works well
customer 798 days ago
5
Shipped quickly - no damage - looks to be good quality - will see how long they last - and quality of filtration with time
Clare 845 days ago
5
quality products received from Discount Filters.....ease of ordering and I appreciate the reminders when it's time to reorder.
Paula H. 897 days ago
5
Shipped directly to me. Have ordered from them multiple times for home air filters, refrigerator filters and Brita-type filters.
James H. 1000 days ago
5
Great company and great products!!
Linda A. 1047 days ago
5
I love my filters. Much better quality and with much lower cost
Art K. 1049 days ago
5
I have used these filters for the past 3 years and been very satisfied!!
Veroart-Art 1089 days ago
5
It is a good quality filter.
Benita L. 1161 days ago
5
Good value
G. S. 1182 days ago
5
This product is a great value for the money!
Larry M. 1193 days ago
5
Great filters good price.
William S. 1197 days ago
5
Good price for these Merv 11 filters
john m. 1202 days ago
5
Just the filter I need
Wayne B. 1205 days ago
5
Quality product at fair price
Tom C. 1245 days ago
5
Quality filters
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