20x20x1 AIRx ALLERGY Air Filter, 12-Pack product image

20x20x1 AIRx ALLERGY Air Filter, 12-Pack

Model: 20x20x1-ALLERGY / Part: #181365

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5 stars

(113)

4 stars

(4)

3 stars

(0)

2 stars

(1)

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 $163.64 ( 12 Pack for $0.00 each )

In Stock

2026-04-27

4 Pack -

$75.35

$18.84 each

6 Pack -

$89.62

$14.94 each

12 Pack -

$163.64

$13.64 each

FREQUENTLY BOUGHT TOGETHER

Description
Reviews

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?

Do you want to know about the technical specs?

Nominal Dimensions	20 x 20 x 1"
Actual Dimensions	19.5 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

4.8 / 5 (121)

Kenneth Larson 4 days ago

I have been buying all my filters (air, water, fridge) from Discount Filters for many years are they are quality filters at a reasonable price.

Paul G Simons 16 days ago

Better made than the HW store alternatives. The cardboard edge is stiff and more precisely measured. Fits opening well. Other filters were frequently a force fit.

Wayne Taillon 25 days ago

They always have been and still are fantastic high quality and very reasonably priced with super fast shipping too makes them my choice and recommend to all others too. Thank you very much appreciate all you do to help us.

William E Montgomery 30 days ago

Have used Discount Filters for several years and have found their Quality, Prices and Service to be unequaled.

Argea Mabao 8 days ago

Been using this brand of filter for awhile. Like it and highly recommend.

Enrico Rivera 9 days ago

I am very satisfied with your filters and it's easier to order on line than going to the store. Thank you very much!

Darlene Gifford 23 days ago

Love the convienace of buying in bulk. Always have a replacement ready!

Pat verseman 4 days ago

I’m very happy to get them in bulk and the price is great.

Linda Pottinger 5 days ago

I buy this 20x20 A/C filter, as well as two other sizes, from DiscountFilters.com. I'm well satisfied with the quality, price, and delivery. I'd recommend this company. I've also used their refrigerator filter for my Samsung refrigerator for several years. They work great and cost a lot less than what I can get at Lowes or anywhere else locally.

Steve Haddox 4 days ago

I e. When using these filters for 4-5 years now. They work great and the price is outstanding. Also, their customer service is top notch.

James Akins 8 days ago

Works great!

Sylvia Mahaley 8 days ago

We've bought these filters for years and they work great. Just disappointed in the price increase, but it seems to be true of most everything else.

Darlene Gifford 3 days ago

Very happy with product.

Tom Connor 19 days ago

Fast delivery

Pat Howell 26 days ago

Good product.

Peter Ferguson 20 days ago

Great product will use again

Judy Sebree 29 days ago

The actually last easily 3 months, very satisfied

John Jayne 10 days ago

A+++++++++++++++++

Jean Kwapniewski 25 days ago

Product works great. Buy the large box for the best value.

Barbara Smith 13 days ago

very good service and follow up

William E Montgomery 28 days ago

changed houses, but knew where to order the new different size filters. I have been using DiscountFilters.com for the last many years as my preferred source of filters for the ease of ordering, quality and above all, the price. Thank you! WEM, Chico, Ca.

Happy Customer 14 days ago

These are very good air filters. I have been using these for 3 years now. No complaints.

William R Zachmeyer 17 days ago

Good filters. Good prices.

Gary Boozer 3 days ago

Excellent filters, quick shipping, excellent customer service

Peter Lieber 18 days ago

great company and value

Darlene Gifford 21 days ago

Very pleased with filters. Quick turn around and you will here from me again. No more going to store, parking, walking in only to find no product. Thanks

DAVID W SCHEPPMANN 3 days ago

Great filter and price was good.

P.L. - West Chester PA 5 days ago

What is not to like? Ordered product. It was shipped next day. I received a few days later. Everything seamless for less cost and better quality than if I traveled to big box store and purchased. I am a 5-year customer of Discount Filter. Plan to stay.

Thomas McCormick 10 days ago

This filter was recommended by the DiscountFilters Chat representative which was so helpful! There are so many filter options that I wasn’t sure which to choose given my household pet and local environmental allergens. With the help of DiscountFilters Chat, I’m confident in the filter quality and ordered a year supply so I can diligently replace the filter in my HVAC system to keep it running smoothly and keep the air in my home clean and safe. Def appreciate the outstanding service DiscountFilters provides from ordering to delivery! My experience has been great!

Mike 15 days ago

Price with discount

WILLIAM KEPPEL 24 days ago

Good quality product. Seems well made. Size as described and fit perfectly.

Harry Osborne 26 days ago

Have purchased this product before very pleased.

Wayne Lungarini 1 day ago

Great product, great service.

James Marriner 2 days ago

All filters look alike. I can only trust the literature used to describe any differences between their effectiveness.

Trent Ellis 16 days ago

Very good product and the delivery was nice and easy.

Michael 24 days ago

Great service. Had a problem and was taken care of.

Maciej S. 14 days ago

Excellent quality best price fantastic service

William 17 days ago

Good product at good price! What more could ask for?

Christine Huber 20 days ago

Perfect for desert life in a often dusty way of life

Dale Grandsinger 11 days ago

Filters are great and service is the best.

Beverly Jackson 0 day ago

Best Buy for your money!

Cecilia Aparicio 2 days ago

I haven’t used the filters yet, but the customer service is outstanding and the the value of the filter is great. I was notified that on of the boxes was damaged but I received a new replacement in 2 days. They make sure you’re satisfied with your purchase.

Jeffery Coppler 2 days ago

Very good product at a very reasonable price. Thanks and hope to purchase again down the road.

Penny Bohrn 19 days ago

Great value & price. Super quick shipping!!

M Elmore 20 days ago

We received this fast, as usual. Thank you!

Neil Thorp 23 days ago

Great service

Jack Null 19 days ago

great deal

Michael 2 days ago

Great filters, better price and value than my local hardware store.

William R Zachmeyer 20 days ago

Good prices. Quality product.

Steven 28 days ago

I shopped many sources and this was the best value.

Virginia Ann Sridhar 29 days ago

...........

LAWRENCE BEHRENZ 23 days ago

Ordering these filters makes it safe, easy, and hassle free shopping.

Nathaniel Williams 5 days ago

Outstanding

Jerry Rocco 8 days ago

Easy to order

Steve Stigamier 15 days ago

Aaaaasaaaaasssss

Florence Bourland 17 days ago

I bought filters for a friend and she loves them. They work well with her rabbit fur.

Paul V. Stahl 24 days ago

Good value for the money especially because I don't need to trek down to my nearest Lowes, Home Depot or Ace Hardware.

james perkins 24 days ago

Received exactly what I ordered in a reasonable timeframe.

LAWRENCE BEHRENZ 3 days ago

Purchasing filters is quick, easy, and affordable thru DISCOUNT FILTERS.

Linda Tremmel 24 days ago

Dry pleased with both product and price. Shipped in timely manner.

Lisa Knapp 29 days ago

These are very high quality filters at an unbeatable price.

Fritz Hager Sr 18 days ago

Great filters and fast delivery to my home.

Pamela Douglas 8 days ago

Very well made and vey sturdy

James Van Zitteren 2 days ago

Perfect product for our needs.

Jane Thompson 22 days ago

Product arrived quickly and is just what we needed.

Paul J Capitan Jr 19 days ago

Nice filters fast shipping

Michael Darmanin 1 day ago

These filters work as well as the big name products at 60%of the cost.

Anthony 9 days ago

Great product at a great price! Really helps control the dust here in the Nevada desert.

David Turco 12 days ago

Awesome filter for the money, more you better price.

dennis 29 days ago

Good product and reasonable price

Nathan C Lee 29 days ago

I just installed the product so very new but seems like a great value! We’ll see if it can hold up for 1.5-2 months.

Charles f Brammer 13 days ago

Don’t know yet. Just put my first one in.

Dwayne Inouye 28 days ago

Good filter at good price!

Sarah Sanchez 1 day ago

Great filters at a great price, easy to order

James Peirce 4 days ago

Great way to get quality air filters at a great price.

Albert C. Barnes 5 days ago

Great air filters, Very low pricing for the money!

Manuel C. Rios 12 days ago

Great product/price. Excellent delivery!

Thomas Conant 20 days ago

The only problem I have with your product is that is 19.5 by 19.5 and not 20 x 20 as listed, resulting in me having to tape the filter in place so that it doesn’t fall out of place when the air is off. My filter mounts horizontal in the ceiling and after a few cycles it moves enough to fall from the mounting clips unless I tape it in place when I install it. Not a problem when I was younger but gets harder with each birthday.

Paul Zichichi 26 days ago

I ordered, I paid and you shipped.

james staib 2 days ago

These filters have better filtering qualities than any I have used before and they are great to remove dust from the air.

Jim Sullivan 23 days ago

I’ve used this filter in a different size for several years. Great product. Great price. Great customer service

Robyn McDonald-Gordon 29 days ago

I love the product.

Ed Massey 2 days ago

They do a good job. If my wife’s allergies kick up all I have to do is turn the central air fan on to give almost immediate relief. I replace our filters every two months due to allergy concerns and have found these to be of good quality and affordable.

Jane Konigsberg 16 days ago

I was very pleasantly surprised by the quality of the filters! Excellent value!

Yunhi Griffy 26 days ago

I made a mistake on my order and Discount Filters sent me return labels and returned my money for my mistake. It was fast and easy to get this done and their team is so easy to work with.

Eric Goldstein 0 day ago

It's an air filter. It filters the air.

Jane M Bailiff 0 day ago

These filters arevery good wuality and I like ordering on line service very good also

Dale Smithandrews 5 days ago

This is a very good product at a great price.

Wanda Layne 7 days ago

Love the product I saved a lot of money and they were delivered right to my door I have a preschool plus my house so I buy filters all the time! I not only saved money but I saved time if you want the best filter but the best price and you consider your time valuable you've got to do this!

Timothy A Ulrich 30 days ago

Great value and product. I have always bought filters of much lesser grade but more expensive at those big box stores, very happy with quality and value of these filters.

Curtis W. Meadows 11 days ago

This filter looks better than the filters I paid about $4.00 more for in the big box stores. Fits perfect and looks like it is doing its job. Thanks, Curt M

James Francis 16 days ago

I haven't used the filters yet but I am very happy with the ordering process, price and the quick delivery.

Thomas Minor 19 days ago

I wish I had discovered this site years ago, but better late than never. Great products, price, and service. I have and will recommend this to my friends and acquaintances.

Albert Timmerman 17 days ago

Very satisfied with the filters I ordered. They arrived in less then one week and were the same filters I was buying at a big box store but were less then 1/3 the price. I will definitely buy from Discount Filter again.

Mark Cunningham 28 days ago

Just what I ordered and a very reasonable price. Will place more orders with you folks!

Donald Hair 2 days ago

what I expected. sure it will work fine.

Beverly Purnell 6 days ago

Great quality. Just installed the first one.

Ronald E Plumley 14 days ago

I have been using Discount Filters for years. I am never disappointed in the products and the prompt service.

Patrick Murphy 16 days ago

Order was filled & delivered on time!

LAWRENCE BEHRENZ 2 days ago

Since we started using these filters our dust in the house had been reduced noticeably. Excellent quality at a great price. The staff at Discount Filter have been very helpful and always treated me well when I had questions. I highly recommend DISCOUNT FILTERS to my friends and family.

Samel Collins 7 days ago

Good quality product at a much lower price.delivered to your door.

Marty 19 days ago

Discount Filters is a wonderful company to business with as usual Allergy Air Filters work as described! Thanks Again!

Steve H Roulette 8 days ago

It was easy to purchase our filters thru Discount Filters and the pricing is very reasonable. They also carry filter sizes that are hard to find at our local hardware store.

Brenda 27 days ago

I received my order of AIRx ALLERGY Air Filters (20x20x1) today, 05/29/18. Naturally, I have not used any of the filters yet, but feel sure they will work for the purpose for which they were intended to.

LeRoy A. Battiste 9 days ago

The filters are making life easier indoors. We are actually feeling great after installation of this filter. Sneezing fits are not as frequent as before. Thanks for making life easier inspite of Oak trees in North Carolina. Thanks.

George Clarius 28 days ago

I've been using Discount Filters AC filters for several years and I am very pleased with their products. I will continue to buy their filters.

Jim Davis 6 days ago

I received these products in a timely manner at the very best price possible! I will never use anyone but discount filters again! They were highly recommended by my daughter and her friend and I could not be happier

Dowling R Bowman III 8 days ago

Great product perfect fit

Nancy R. Jepsen 27 days ago

Filters arrived in good condition and were well packaged. I haven't used them yet but they look so much better than some U have seen in the stores for a higher price.

Chris Napolski 3 days ago

I'm extremely satisfied with the quality of the filters and were received as promised.

Jerry Faile 18 days ago

My honest opiinion is the filters work.

syboy 7 days ago

GREAT PRICE WITH ALL THE FEATURES OF THE BRANDED FILTERS. QUICK DELIVERY, VERY GOOD CUSTOMER SERVICE AND EASY TO FOLOW INTERNET SITE--PERFECT!!!

Scott M 15 days ago

Very good filters at a very good price. Would recommend Discount Filters.

Boris Rakhmanov 22 days ago

Excellent , best internet store for buy any filter for home

Judy 6 days ago

Quality filters at a cheaper price that can be found in stores...Thanks!

Fayetteville Area Operation Inasmuch 9 days ago

The filters we bought from them were 1/4 of the price of a comparable filter at the local home improvement/big box store! Knowledgeable customer service rep. A pleasure to do business with them!

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-02-202001-6