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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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15x20x1 AIRx ALLERGY Air Filter - MERV 11, 6-Pack

5
38 reviews
◆
 
Average rating 4.9/5
5 stars
(35)
4 stars
(3)
3 stars
(0)
2 stars
(0)
1 star
(0)
AIRx 15x20x1-ALLERGYOur#: 109890
Made in USA
15x20x1 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
15x20x1 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
15x20x1 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
15x20x1 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
15x20x1 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
15x20x1 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
15x20x1 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
15x20x1 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
15x20x1 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
15x20x1 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
15x20x1 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
15x20x1 AIRx ALLERGY Air Filter - MERV 11, 6-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 14-1/2 × 19-1/2 × 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.

$64.95

$81.19
Code DF20Save 20%
$10.83 per filter
Code DF20Save 20%
SAVE 0% 6-pack

1. Filtration level

Compare all →

2. Pack size

6 pack of 15 x 20 x 1 MERV 11 Allergy

In Stock, Ships onMonday, Nov. 9th
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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
15 × 20 × 1"
Actual Size
14 ½ × 19 ½ × 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) 307 461 615 768 615
Initial resistance (in. w.c.) 0.09 0.13 0.19 0.25 0.19

Max rated airflow

Customer Reviews

4.9 4.9 out of 5 stars
38 verified reviews
5★
(35)
4★
(3)
3★
(0)
2★
(0)
1★
(0)
5
4.9 / 5 (38)
Mike D. 180 days ago
5
Fits great. Works well. Price decent
Phillip C. 430 days ago
5
Quality filters.
Ross K. 549 days ago
5
Good product, great price, good quality!
FABIAN D. 635 days ago
5
I hope the filter will last at least 2 o3 months before I need to change it
Twinkle N. 848 days ago
5
Easy to order and quick delivery.
Christina R. 897 days ago
5
Best deal out there, the box stores have sales, but it doesn't compare to this company. Stock up and save, keep your filters clean for longevity for your HVAC
FRANCIS P. 965 days ago
5
Effective for my allergies and a good value for the price.
Roy D. 979 days ago
4
No comments at this time. Good Product.
Chris C. 1192 days ago
5
Great product great company
vic s. 1322 days ago
5
I am satisfied
Lynn 1449 days ago
5
Previous filters used did not fit perfectly like these do!
Dan H. 1711 days ago
5
Good product for a good price
VINCENT M. 1748 days ago
5
Very good product at a fair price and prompt delivery.
Edward G. 1922 days ago
5
Always a pleasure doing business. I recommend your company all the time. The hook is: What company would notify you when your filter needs changing? This size is for my single daughters house.
Ernie L. 1928 days ago
5
Exactly what I ordered. Faster than expected. We require an odd size and they have it.
Ana C. 1957 days ago
5
Excellent product!! Good quality!
Don S. 2067 days ago
5
Great customer service, great prices.
Christoph M. 2069 days ago
5
Prompt shipment in a solid box, great for storage. Very good pricing.
steven g. 2069 days ago
5
great filters. this is my third time to purchase. I'll be back
jane m. 2070 days ago
5
Great product for a great price. Easy ordering online, delivery received when expected, variety of products is impressive. Definitely will be re-ordering for next supply of filters.
Lanzano 2326 days ago
5
Customer service was very helpful with me & helped me save some money. Thank you...
Don A. 2512 days ago
5
Works well, as far as I can tell.
Kenneth W. 2598 days ago
5
Good quality andvalue.
Edward G. 2689 days ago
5
Purchased these for my daughter's new home. Needed to start her out on the right foot. I have been using the same filter (different size) for 5 years from you.
Sam B. 2809 days ago
5
Very happy with purchase & quility
Michael S. 2815 days ago
5
Great filters and very professional service from Discount Filters.com
John 2815 days ago
5
Great Pricing. Super Fast Delivery. Well constructed product. Great communication from support staff.
Lawrence P. 3105 days ago
5
SUPER FILTERS! WILL BUY MORE!
Debbie M. 3772 days ago
5
I use an odd size filter in my ac unit, i use the 15-20. I was so happy I found my size with your company. They also had the allergy type also. I was very pleased about the price and delivery of my order also. Thanks so much, Debbie Murphree
Customer Service replied 3770 days ago
It sound like you had a good experience. I'm sorry to see that you provided a 1-star review. Is there anything we can do?
View (1) more comments
Debbie Murphree replied 3770 days ago
I meant to give you the 5 stat, for the best.
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