14x25x1 AIRx ALLERGY Air Filter

Name: 14x25x1 AIRx ALLERGY Air Filter
Brand: AIRx
SKU: 194420
Price: 24.95 USD
Availability: InStock

AIRx 14x25x1-ALLERGYOur#: 194420

Made in USA

Compatibility guarantee — Wrong fit or not happy - we'll make it right, up to a whole year

Change every 3 months Swap on schedule for best performance

Made with pride in Greenwood, Indiana Your purchase supports American jobs

MERV Find your ideal filtration level

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

^$24^.95

~~$31.19~~

Code DF20 · Save 20%

$24.95

Code DF20 · Save 20%

SAVE 0% 1-pack

Pack Size

Filtration Level

Compare all →

In Stock, Ships onMonday, Oct. 5th

You're $70.00 away from free shipping! Buy this and you're only from free shipping! Buy this and your order ships free!

Orders over $70 ship free. $5.99 otherwise.

Your Order Ships Free!

Compare Side-by-Side

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?

Nominal Size

14 × 25 × 1"

Actual Size

13 ½ × 24 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

Performance Rating

MERV	(µm) PSE (%)	0.3-1.0	1.0-3.0	3.0-10	Airflow Rate (CFM)	359	538	717	896	717 *	* Max Rated Airflow
11	(µm) PSE (%)	29	68	86	Initial Resistance (IWC)	0.09	0.13	0.19	0.25	0.19 *	* Max Rated Airflow

MERV
11
(µm) PSE (%)
0.3-1.0	29
1.0-3.0	68
3.0-10	86
Airflow Rate (CFM)	Initial Resistance (IWC)
359	0.09
538	0.13
717	0.19
896	0.25
717 *	0.19 *
* Max Rated Airflow

Performance Rating

MERV	(µm) PSE (%)	0.3-1.0	1.0-3.0	3.0-10	Airflow Rate (CFM)	359	538	717	896	717 *	* Max Rated Airflow
13	(µm) PSE (%)	51	88	98	Initial Resistance (IWC)	0.13	0.21	0.29	0.39	0.29 *	* Max Rated Airflow

MERV
13
(µm) PSE (%)
0.3-1.0	51
1.0-3.0	88
3.0-10	98
Airflow Rate (CFM)	Initial Resistance (IWC)
359	0.13
538	0.21
717	0.29
896	0.39
717 *	0.29 *
* Max Rated Airflow

Performance Rating

MERV	(µm) PSE (%)	0.3-1.0	1.0-3.0	3.0-10	Airflow Rate (CFM)	359	538	717	896	717 *	* Max Rated Airflow
8	(µm) PSE (%)	17	50	70	Initial Resistance (IWC)	0.07	0.11	0.17	0.23	0.17 *	* Max Rated Airflow

MERV
8
(µm) PSE (%)
0.3-1.0	17
1.0-3.0	50
3.0-10	70
Airflow Rate (CFM)	Initial Resistance (IWC)
359	0.07
538	0.11
717	0.17
896	0.23
717 *	0.17 *
* Max Rated Airflow

Replaces These Filter

National Filter Sales

PF-02-142501-6

About This Product

Is this the right air filter for you?

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

Customer Reviews

4.7

173 verified reviews

5★

(134)

4★

(29)

3★

(6)

2★

(0)

1★

(4)

4.7 / 5 (173)

Valerie L. 16 days ago

They are great filters. They did come a bit banged up, but the was the fault of the delivery service, I’m sure!

john s. 47 days ago

Does the job for me

John S. 240 days ago

Very good customer service

Ike M. 250 days ago

The quality and value are top notch. The special thing about your business is I had special order special order due to my filter's nonstandard dimensions. You informed me that could take 2-3 weeks to receive my entire filters order. You delivered my order less than seven days. The product fit perfectly. That was Exceptional Customer Service.

David C. 250 days ago

Good value. Does the job

Walene H. 331 days ago

Yes, I like and use your furnace(allergy) filters??And I just ordered enough for a 3 year supply ??Ordering is very convenient and having at home when needed, takes a lot off my mind???

Scarlett 339 days ago

I've purchased from Discount Filters for years!

Jay S. 366 days ago

This is a reorder we have been using the same filter for several years and we're very happy with the quality and performance.

Ed S. 402 days ago

Great product! Second time buying

Kathryn C. 406 days ago

Very happy repeat customer. Quality and price can’t be beat. Best part is I can feel the difference in the air quality in my house.

Sharon I. 415 days ago

'Allergy' Air Filters Appear to Work Well, But I Need to Change Sooner then Every 3 Months. I Live at Intersection of Gravel/Dirt Roads!

Linda R. 471 days ago

Great product and very quick delivery. Thank you so much for your company and your products.

Jerry W. 609 days ago

Great product and a great experience ordering

Scarlett 710 days ago

I've used Discount Filters for years and am so glad! Great quality and price make them an easy choice for me.

Jenn W. 741 days ago

I replaced my furnace& A/C in June, of course I needed filters! So when I saw DISCOUNT filters, I had to check you out. Thanx for having every filter my house will ever need. Loved the laborday sale!!! Thanx

Sharon A. 823 days ago

Seems to work well

Carol 833 days ago

Great customer service and products!

Randy B. 835 days ago

Good product

Ralph R. 874 days ago

Works well. Easy to replace. Catches lots of dust & particles.

Scarlett 923 days ago

I can always count on Discount Filters to have the size I need at a great price.

Jo W. 975 days ago

Good prodict

Paul V. 1031 days ago

Good Quality, quick delivery, no hassle, but expensive!

Saul S. 1041 days ago

These are far superior to any of the ones I have purchased in stores. They are extra sturdy and fit perfectly. Plus they seem to last weeks longer.

Curtis P. 1132 days ago

Quick delivery and good quality.

Karla M. 1291 days ago

Good quality, good price, order arrives quickly!

Linda R. 1397 days ago

These filters really keep my house cleaner and economical on the wallet.

Donna J. 1444 days ago

Happy with product.

$24.95

Save 0% · 1-pack

You're $70.00 away from free shipping! Buy this and you're only from free shipping! Buy this and your order ships free!

Your Order Ships Free!

$24.95

Save 0% · 1-pack

You're $70.00 away from free shipping! You're away from free shipping! Buy this and your order ships free!

Your Order Ships Free!

Find Compatible Filters for the Following Brands

FIND COMPATIBLE FILTERS FOR THE FOLLOWING BRANDS

Find Compatible Filters for the Following Brands

Find Compatible Filters for the Following Brands

CHOOSE BY BRAND

MOST POPULAR

MOST POPULAR SIZES

CHOOSE BY BRAND

CHOOSE BY BRAND

MOST POPULAR

CHOOSE BY BRAND

MOST POPULAR

MOST POPULAR SIZES

CHOOSE BY BRAND

CHOOSE BY BRAND

MOST POPULAR

14x25x1 AIRx ALLERGY Air Filter

^$24^.95

MERV Filter Comparison

Is it time to change your Filter?

Performance Rating

Performance Rating

Performance Rating

Is this the right air filter for you?