Discount Filters

Cart 0

We don't know what's in your water,
but we know there's nothing in your cart.

Refrigerator Water Filters

CHOOSE BY BRAND

Don't see your brand? View all brands »

MOST POPULAR

UKF8001 »

EPTWFU01 »

DA29-00020B »

LT700P »

ULTRAWF »

MWF »

HAF-QIN »

4396508 »
Furnace & AC Air Filters

CHOOSE BY TYPE

Furnace & AC Air Filters »

Return Grille Filters »

Portable Room Air Cleaner Filters »

Car Cabin Air Filters »

Car Engine Air Filters »

Air Filter Accessories »

MOST POPULAR

20x20x1 »

20x25x1 »

18x20x1 »

16x25x1 »

14x20x1 »

Create a custom-sized air filter »

CHOOSE BY BRAND

Don't see your brand? View all brands »
Humidifier Panels

Humidifier Panels »

Humidifier Wicks & Pads »
Pool & Spa Filters

Pool & Spa Filters »

Pool & Spa Accessories »
All Water Filters

Refrigerator Water Filters »

Pool & Spa Filters »

Sediment / Whole-House Filters »

Reverse Osmosis Water Filters »

Water Pitcher Filters »

Under Sink Water Filters »

Shower Filters »

Inline Filters »

Faucet Mount Filters »

Food & Beverage Filters »

Water Filtration Systems »

Camping & Survival Filters »
More Products

Vacuum Cleaner Filters »

Range Hood Filters »

UV Bulbs »
Close-Out

Discount Filters

Cart 0

We don't know what's in your water,
but we know there's nothing in your cart.

Refrigerator Water Filters

CHOOSE BY BRAND

Don't see your brand? View all brands »

MOST POPULAR

UKF8001 »

EPTWFU01 »

DA29-00020B »

LT700P »

ULTRAWF »

MWF »

HAF-QIN »

4396508 »
Furnace & AC Air Filters

CHOOSE BY TYPE

Furnace & AC Air Filters »

Return Grille Filters »

Portable Room Air Cleaner Filters »

Car Cabin Air Filters »

Car Engine Air Filters »

Air Filter Accessories »

MOST POPULAR

20x20x1 »

20x25x1 »

18x20x1 »

16x25x1 »

14x20x1 »

Create a custom-sized air filter »

CHOOSE BY BRAND

Don't see your brand? View all brands »
Humidifier Panels

Humidifier Panels »

Humidifier Wicks & Pads »
Pool & Spa Filters

Pool & Spa Filters »

Pool & Spa Accessories »
All Water Filters

Refrigerator Water Filters »

Pool & Spa Filters »

Sediment / Whole-House Filters »

Reverse Osmosis Water Filters »

Water Pitcher Filters »

Under Sink Water Filters »

Shower Filters »

Inline Filters »

Faucet Mount Filters »

Food & Beverage Filters »

Water Filtration Systems »

Camping & Survival Filters »
More Products

Vacuum Cleaner Filters »

Range Hood Filters »

UV Bulbs »
Close-Out

A link to access your account has been sent to your email!

Welcome,

« Back and choose another way

Password

Home
Air Filters
Air Filters By Size
4" Air Filters
20x25x4 Filters
By Style
20x25x4 Standard Filters

DiscountFilters.com

20x25x4 Standard Filters

NOTE: Please compare the actual size of your current filter with the actual sizes listed on our site. A nominal 20" x 25" x 4" filter can be different actual sizes depending on the brand of your air cleaner.

Showing 1 - 14 of 14 Products

20x25x5 AIRx DUST Honeywell FC100A1037 Replacement Filter - MERV 8, 2-Pack

$40.95 / Filter

2 Pack Selected - $81.90

1 Pack - $49.95 $49.95 per Filter

2 Pack - $81.90 $40.95 per Filter

4 Pack - $151.80 $37.95 per Filter

in stock
20x25x5 AIRx ALLERGY Honeywell FC100A1037 Replacement Air Filter - MERV 11, 2-Pack

$43.95 / Filter

2 Pack Selected - $87.90

1 Pack - $52.95 $52.95 per Filter

2 Pack - $87.90 $43.95 per Filter

4 Pack - $163.80 $40.95 per Filter

in stock
20x25x5 AIRx HEALTH Honeywell FC100A1037 Replacement Air Filter - MERV 13, 2 pack

$59.95 / Filter

2 Pack Selected - $119.90

1 Pack - $68.95 $68.95 per Filter

2 Pack - $119.90 $59.95 per Filter

4 Pack - $227.80 $56.95 per Filter

in stock
20x25x5 AIRx ODOR Honewell FC100A1037 Replacement Air Filter - Carbon, 2-Pack

$45.95 / Filter

2 Pack Selected - $91.90

2 Pack - $91.90 $45.95 per Filter

4 Pack - $171.80 $42.95 per Filter

in stock
20x25x4 AIRx DUST Air Filter - MERV 8

$25.49 / Filter

6 Pack Selected - $152.94

2 Pack - $54.98 $27.49 per Filter

6 Pack - $152.94 $25.49 per Filter

in stock
20x25x4 AIRx ALLERGY Air Filter - MERV11

$28.49 / Filter

6 Pack Selected - $170.94

2 Pack - $60.98 $30.49 per Filter

6 Pack - $170.94 $28.49 per Filter

in stock
20x25x4 AIRx HEALTH Air Filter - MERV 13

$37.49 / Filter

6 Pack Selected - $224.94

2 Pack - $76.98 $38.49 per Filter

6 Pack - $224.94 $37.49 per Filter

in stock
20x25x4 AIRx ODOR Air Filter - CARBON

$33.64 / Filter

6 Pack Selected - $201.83

6 Pack - $201.83 $33.64 per Filter

in stock
20x25x4 AIRx ALLERGY TopTech TT-FM-2025 Replacement Air Filter - MERV 11, 2-Pack

$35.95 / Filter

2 Pack Selected - $71.90

2 Pack - $71.90 $35.95 per Filter

4 Pack - $131.80 $32.95 per Filter

in stock
Lennox Model X6675 MERV 16 Replacement Filter - 20 x 25 x 5

$148.94 / Filter

1 Pack Selected - $148.94

1 Pack - $148.94 $148.94 per Filter

2 Pack - $291.10 $145.55 per Filter

In Stock
20x25x5 AIRx ALLERGY Honeywell FC100A1037 Replacement Air Filter - MERV 11

$52.95 / Filter

1 Pack Selected - $52.95

1 Pack - $52.95 $52.95 per Filter

2 Pack - $87.90 $43.95 per Filter

4 Pack - $163.80 $40.95 per Filter

in stock
20x25x5 AIRx ALLERGY ReservePro 4356 Replacement Air Filter - MERV 11

$47.99 / Filter

2 Pack Selected - $95.97

2 Pack - $95.97 $47.99 per Filter

in stock
20x25x5 AIRx DUST Honeywell FC100A1037 Replacement Air Filter - MERV 8

$49.95 / Filter

1 Pack Selected - $49.95

1 Pack - $49.95 $49.95 per Filter

2 Pack - $81.90 $40.95 per Filter

4 Pack - $151.80 $37.95 per Filter

in stock
20x25x5 AIRx HEALTH Honeywell FC100A1037 Replacement Air Filter - MERV 13

$68.95 / Filter

1 Pack Selected - $68.95

1 Pack - $68.95 $68.95 per Filter

2 Pack - $119.90 $59.95 per Filter

4 Pack - $227.80 $56.95 per Filter

in stock

What Our Customers Have to Say

Jane Connor 1 day ago

Great product, delivered to front door…..nice

William Kesteloot 1 day ago

Xxxxxxx x xx x. Cc

Scrub Hansen 1 day ago

I like the quality

Jerrie Bocz 1 day ago

Great product

SIGN UP TO RECEIVE AWESOME DISCOUNTS!

Our ClearChoice fridge and AIRx filters
are made in Indiana

Filters are not just replacement parts, they are the water and the air that our families drink and breathe. Our ClearChoice fridge and AIRx HVAC filters are made in our factory and headquarters here in Indiana, with great attention to quality. Don’t settle for poorly-made knock offs or overpriced OEM models.

More about what makes us different

Customer Service

Contact Us
Purchase Guarantee
FAQs
Visit a Local Showroom
Wholesale Inquiries
Look Up Order
Look Up a Charge
Submit a Return
Tax Information

Account

My Dashboard
My Products
My Filter Subscriptions
My Filter Change Reminders
My Address Book
My Browser Info
Subscribe and Save

2011 Southtech Drive, Suite 100
Greenwood, IN 46143

Our ClearChoice fridge and AIRx filters are made in Indiana

More about what makes us different

Privacy |
Terms & Conditions |
Cookie Usage |
California Residents |
Site Map |
Careers

Find Compatible Filters for the Following Brands

FIND COMPATIBLE FILTERS FOR THE FOLLOWING BRANDS

CHOOSE BY BRAND

MOST POPULAR

CHOOSE BY TYPE

MOST POPULAR

CHOOSE BY BRAND

CHOOSE BY BRAND

MOST POPULAR

CHOOSE BY TYPE

MOST POPULAR

CHOOSE BY BRAND

20x25x4 Standard Filters

What Our Customers Have to Say