• 12x20x1 AIRx ALLERGY Air Filter - MERV 11

12x20x1 AIRx ALLERGY Air Filter - MERV 11

Model: 12x20x1-ALLERGY / Part: #109877
5
37 review(s)
◆
 
Average rating 4.5/5
5 stars
(29)
4 stars
(3)
3 stars
(2)
2 stars
(0)
1 star
(3)
  •  Free Returns
  •  100% Compatibility Guarantee

Reduce common allergy symptoms

  • Reduces allergy irritating particles
  • Captures allergens like dust, mold spores, pet dander, dust mite debris and more
  • Lessens odors from car fumes & smog
  • Creates cleaner indoor air
TOTAL $112.03 ( 6 Pack for $0.00 each )

In Stock

2026-06-02

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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

What does this air filter remove?

Pollutants

Do you want to know about the technical specs?

Nominal Dimensions 12 x 20 x 1"
Actual Dimensions 11.5 x 19.5 x 0.75"
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.

Reviews

5
4.5 / 5 (37)
customer 9 days ago
3
The price was good, however the filter whistles when the air handler comes on.
David Noble 8 days ago
5
Awesome service and thank you
CINDY R 23 days ago
5
Great filters!
patricia shorrock 30 days ago
5
It works very well thank you pat
Constance Hart 14 days ago
5
Works great. Hard to find in stores and delivered right to the home.
Daniel Grigas 16 days ago
4
Great product and price.
Jacquelyn Glomb 16 days ago
5
Easy to order Quick to arrive
robert allan morrow 17 days ago
5
these filters are great but they say to last 3 months but they only really last 2.....
Deborah Taylor 23 days ago
4
On site, the filter appeared well-made and price worthy. I inserted the filter about 2 weeks ago, and I haven't done a visual check as of yet, however I have noticed an obvious improvement in the air in my home AND the amount of dust. I have know doubt this filter is a real deal! BTW, I did a price check with local hardware centers for the same type of filter and the value for the money is an added plus.
Tom Connor 25 days ago
5
Good price for a good product.
Kent 15 days ago
5
Good filters for great price when you buy 6
Vicki Parker 30 days ago
5
Easy to order. They ship right away. The size I need is difficult to find in stores. Ordering makes it so much easier!
Tom Houlihan 11 days ago
4
a bit expensive, but fit well, shipped quickly and arrived on time.
Andrew John 15 days ago
5
Good standard quality air filters.
Steven Bernstein 22 days ago
5
The filters were delivered when promised and fit perfectly into my HVAC system.
robert allan morrow 19 days ago
5
It's great getting my filters shipped right to my house, so I have filters on hand. Price is near to the big chain stores. but the free shipping to my home is the best. Besides they work real good.
Angela Ingerson 27 days ago
3
Although on the website it states and the photo reflects it is an allergy filter made in the USA, absolutely nowhere on the filter, nor packaging can this be substantiated. Therefore, in my opinion, it is misrepresented and I will likely not repurchase.
Bill Wilshire 6 days ago
5
We change our furnace filters every two months so they are very good at catching small particles before they enter the living area of our house.
Kathy Corson 18 days ago
5
This is a great filter at a great price!
Sylvia Brooks 24 days ago
5
Great filter, helps with my asthma.
William from Indiana 9 days ago
5
These are great filters for the money. What's not to like?
Mike on Long Island 18 days ago
5
I use a filter size that is not usually carried in big box stores. I order them here online. Easy to order, shipped fast and good prices. Highly recommend.
Laura Christenberry 3 days ago
5
Product is a good value and performs better than expected. Ordering was easy and delivery time from order to receipt not too long.
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Reduce common allergy symptoms

  • Reduces allergy irritating particles
  • Captures allergens like dust, mold spores, pet dander, dust mite debris and more
  • Lessens odors from car fumes & smog
  • Creates cleaner indoor air

Replaces These Filters:

National Filter Sales: PF-02-122001-6

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