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Filterbuy 20x25x2 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 1.75 Inches)

4.7 4.7 out of 5 stars 1,261 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Furnace Filters by Filterbuy

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Purchase options and add-ons

Brand Filterbuy
Material Polyester, Aluminum, Plastic
Product Dimensions 19.5"L x 24.5"W x 1.75"Th
MERV Rating 8.00
Compatible Devices Heat Pump, Air Conditioner, Air Cleaner, HVAC System, Furnace
Item Weight 6 Pounds
Product Grade Replacement Parts

About this item

  • 20x25x2 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.50" x 24.50" x 1.75")
  • MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow
  • Electrostatically charged, pleated filters capture more harmful particles, last 3x longer than fiberglass models, and are 100% manufactured within the United States
  • Industrial grade beverage board (recyclable) frames with dual wire backings improve structural integrity and outperform standard cardboard designs
  • If you receive items with a different label, frame, or media than what is pictured, please note that any such alteration is purely cosmetic and your filter will still function exactly as described
See more product details

Customer ratings by feature

Easy to install
4.9 4.9
Sturdiness
4.7 4.7
Value for money
4.7 4.7

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$45.12 ($11.28/Count)
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$41.76 ($10.44/Count)
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Product Description

smiling man piggybacks daughter in clean house as filterbuy air filters help them breathe freely

Replacement Air Filter 20x25x2 (Actual Size: 19.50 x 24.50 x 1.75 Inches)

silver merv 8 banner badge

20x25x2 MERV 8

gold merv 11 banner badge

20x25x2 MERV 11

platinum merv 13 banner badge

20x25x2 MERV 13

silver merv 8 banner badge

16x25x1 MERV 8 (Popular)

silver merv 8 banner badge

20x20x1 MERV 8 (Popular)

silver merv 8 banner badge

20x25x1 MERV 8 (Popular)

Customer Reviews
4.7 out of 5 stars
1,261
4.7 out of 5 stars
206
4.7 out of 5 stars
314
4.7 out of 5 stars
12,028
4.7 out of 5 stars
13,535
4.7 out of 5 stars
8,125
Price
$45.16 $54.72 $73.68 $32.28 $31.48 $35.32
Recommended Use
Standard Home & Business Superior Home & Business Optimal Home & Business Standard Home & Business Standard Home & Business Standard Home & Business
Comparable Ratings
MPR 600 & FPR 5 MPR 1000-1200 & FPR 7 MPR 1500-1900 & FPR 10 MPR 600 & FPR 5 MPR 600 & FPR 5 MPR 600 & FPR 5
Filtration Effectiveness
90% Airborne Particles 95% Airborne Particles 98% Airborne Particles 90% Airborne Particles 90% Airborne Particles 90% Airborne Particles
Particle Size
3 - 10 Microns 1 - 3 Microns 0.3 - 1 Microns 3 - 10 Microns 3 - 10 Microns 3 - 10 Microns
Dust & Debris
Mold & Pollen
Lint & Dander
Smog & Smoke
Bacteria
anatomy of an air filter blown out photo where the wiring pleats and frame are all shown separately

Choosing the Correct Filter Size

zoomed photo of white air filter frame showing nominal and actual size of 16x16x1 filter in green

Nominal Size vs. Actual Size

The nominal size is a shorthand number rounded to the nearest whole or half inch, normally in a larger font (ex: 16 x 16 x 1). Whereas the actual size is an exact measurement, normally in a smaller font, that depicts the filter's precise dimensions (ex: 15.75 x 15.75 x .75). All filters have both.

smiling man in blue holds extended tape measure in front of him to show how to measure an air filter

Measuring Your Air Filters

If your current air filter does not have a dimension listed on the frame, use a tape measure to record the length x width x depth to find the actual size. Then round these measurements up to the nearest inch to find a corresponding nominal size, which will be easier to locate when searching online.

Why should I change my air filter?

To maintain a healthy lifestyle, as breathing dirty air can put you at risk to develop asthma, allergies, and other respiratory ailments. Plus, old filters can cause system defects which may lead to unwanted expenses via energy costs and repairs.

Will these air filters fit my system?

Most of our filters are universally compatible, and will work with virtually any furnace, air conditioner, heat pump, or HVAC system. But if you see a specific brand name like Honeywell within a product title, then it is designed for an exact model.

How do I change my air filter?

Once you find the right size, turn off your power supply and remove the cover from your intake vent. You can then take out the old filter and dispose of it safely. Finally, just insert your new filter, replace the cover, and turn the power back on.

How often should I change my air filter?

We generally recommend replacing your filter every 90 days to keep your system running efficiently and air clean. But, this is subject to change based on filter size and variable factors for pet owners, allergy-sufferers, homes with children, etc.

How many air filters do I need?

This varies for every customer depending on specific needs like those referenced in the prior answer. However, our selection includes package quantities that range from 1 to 12 filters, so no matter what your situation may be, we've got you covered.

Looking for specific info?

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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Filterbuy 20x25x2 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 1.75 Inches)

Filterbuy 20x25x2 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 1.75 Inches)


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This Item
Filterbuy 20x25x2 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 1.75 Inches)
Filterbuy 20x25x2 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 1.75 Inches)
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Price$45.16$88.48$35.97$43.17$31.60$62.82
Delivery
Get it as soon as Wednesday, May 15
Get it as soon as Wednesday, May 15
Get it as soon as Wednesday, May 15
Get it as soon as Wednesday, May 15
Get it as soon as Wednesday, May 15
Customer Ratings
Easy to install
4.9
4.8
5.0
4.8
4.8
4.7
Sturdiness
4.7
4.4
5.0
4.6
4.7
4.6
Value for money
4.7
4.4
5.0
4.5
4.7
4.4
Sold By
Filterbuy
FiltersDelivered
Filterbuy
Filterbuy
Filterbuy
Filterbuy
compatible devices
Air Conditioner, Furnace, Heat Pump, Air Cleaner, HVAC System
Air Conditioner, Furnace, Air Cleaner, Air Purifier
Air Conditioner, Furnace, Heat Pump, Air Cleaner, HVAC System
Air Conditioner, Furnace, Heat Pump, Air Cleaner, HVAC System
Air Conditioner, Furnace, Heat Pump, Air Cleaner, HVAC System
Air Conditioner, Furnace, Heat Pump, Air Cleaner, HVAC System
MERV rating
8
8
8
11
8
8
number of items
1
1
1
1
1
1
material
Plastic, Aluminum, Polyester
Carbon Fiber
Plastic, Aluminum, Polyester
Plastic, Aluminum, Polyester
Plastic, Aluminum, Polyester
Plastic, Aluminum, Polyester

Customer reviews

4.7 out of 5 stars
4.7 out of 5
1,261 global ratings

Customers say

Customers like the value, quality and fit of the air filter. For example, they mention it's a good product for the money, well constructed and that it fits properly. Customers are also impressed with the performance, saying it works well and has not caused any issues.

AI-generated from the text of customer reviews

46 customers mention44 positive2 negative

Customers are satisfied with the value of the air filter. They mention that it's a good product for the money.

"JUST WHAT WE WANTED AT A GREAT PRICE AND QUICK SHIPPING" Read more

"Good price for the amount of filters" Read more

"Good product" Read more

"Received it quickly at a good price and the order was correct" Read more

45 customers mention45 positive0 negative

Customers are satisfied with the quality of the air filter. They mention that it is well-constructed, of high quality, and reliable. Some say that the overall construction is as solid as the brand they've been using. Overall, most are happy with the product's quality and value.

"...: product arrived on time with no shipping damage, overall construction is as solid as the brand I've been using, product is exactly the same..." Read more

"...These feel sturdy and I trust the company." Read more

"Good quality & received promptly." Read more

"...Overall it is made of quality cardboard and paper materials. Will buy again in the future when needed...." Read more

24 customers mention19 positive5 negative

Customers like the fit of the air filter. They mention that it fits properly, is of good quality, and is correctly sized. The dimensions are accurate and sturdy.

"These filters fit perfectly into my AC unit and so far have not caused any issues...." Read more

"Dimensions are accurate and sturdy." Read more

"The dimensions were perfect and seems to be filtering appropriately." Read more

"...to save money by buying a larger quantity, but these size filters are hard to store, so we kept it to a 4 pack for this delivery...." Read more

14 customers mention14 positive0 negative

Customers are satisfied with the performance of the air filter. They mention that it works well, is efficient, and has not caused any issues.

"...They collect all the stuff I don’t want in my ducts and work great! Highly recommend!" Read more

"Great for my furnace. I Have 2” filters and these works Great. Would Recommend." Read more

"They seem to work well." Read more

"These filters fit perfectly into my AC unit and so far have not caused any issues...." Read more

8 customers mention8 positive0 negative

Customers find the installation process of the air filter to be easy. They mention that it is convenient to purchase and install the filter.

"...4 filters will last a year - very convenient since the big box stores are 100 miles away." Read more

"Easy install and replacement of old. needed a new one for a while. will now be able to replace every 3 months given the bundle" Read more

"Timely easy fit." Read more

"...They are very easy to install, and they can be used for 3 months." Read more

Wrong Size
2 Stars
Wrong Size
The advertisement stated that these were 20x25x2. The ones I received were still a 4-pack, but they are definitely 20x25x1.
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Top reviews from the United States

Reviewed in the United States on March 27, 2024
I have these filters on a reorder schedule to help me with my routine maintenance for my furnace! Takes all the guess work out of when I need them. They collect all the stuff I don’t want in my ducts and work great! Highly recommend!
Reviewed in the United States on March 13, 2024
JUST WHAT WE WANTED AT A GREAT PRICE AND QUICK SHIPPING
Reviewed in the United States on January 4, 2024
I just received the filters. I'll install one at my next filter change in a few months. On inspection: product arrived on time with no shipping damage, overall construction is as solid as the brand I've been using, product is exactly the same physical size as the ones I've been using so I'm sure they'll fit hence 5-stars for "install" even though I haven't installed one yet.
Reviewed in the United States on October 9, 2023
Filter due is job and did not break in timeline
Reviewed in the United States on March 16, 2024
Good price for the amount of filters
Reviewed in the United States on April 8, 2024
Great for my furnace. I Have 2” filters and these works Great. Would Recommend.
Reviewed in the United States on April 27, 2024
These filters are changed out every 3 months and they do a great job of cleaning the air in the house.
Reviewed in the United States on April 26, 2024
They seem to work well.

Top reviews from other countries

Dr B
5.0 out of 5 stars Perfect replacement
Reviewed in Canada on December 2, 2022
Delivered on time. No problems