• 19.75x21.5x1 AIRx ALLERGY Air Filter, 12-Pack

19.75x21.5x1 AIRx ALLERGY Air Filter, 12-Pack

Model: 19.75x21.5x1-ALLERGY / Part: #181389
5
6 review(s)
◆
 
Average rating 4.8/5
5 stars
(5)
4 stars
(1)
3 stars
(0)
2 stars
(0)
1 star
(0)
  •  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 $272.84 ( 12 Pack for $0.00 each )

In Stock

2026-04-06

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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 19.75 x 21.5 x 1"
Actual Dimensions 19.75 x 21.5 x 0.875"
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
4.8 / 5 (6)
Mark Hitt 3 days ago
5
As good as anything at hardware box stores for less.
William 10 days ago
5
perfect fit, fast shipping, good price if you buy in bulk
Lawrence C Lagatta 18 days ago
5
Very professional customer service
Jack Barbara 2 days ago
5
Easy. Quick. And reasonable
Raymond Forastiero 12 days ago
4
The filters were well packaged so as to prevent damage in shipment. The filters themselves are well made and seem to work as expected.
Frank E Crummer 7 days ago
5
Delivery very timely. Filters fit perfectly.
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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:

Bryant / Carrier: KFAFK0312LRG
Carrier: FIP417621
National Filter Sales: PF-02-19.75x21.5x01-6

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