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Filterbuy 16x20x4 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.38 x 19.38 x 3.63 Inches)

4.5 4.5 out of 5 stars 427 ratings

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Purchase options and add-ons

Brand Filterbuy
Material Polyester, Aluminum, Plastic
Product Dimensions 15.38"L x 19.38"W x 3.63"Th
MERV Rating 8.00
Compatible Devices Air Conditioner, Heat Pump, Air Cleaner, Furnace
Item Weight 12 Pounds
Product Grade Replacement Parts

About this item

  • 16x20x4 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 15.38" x 19.38" x 3.63")
  • 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
  • High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models
  • Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs
  • All components are manufactured within the United States and designed with recyclable materials
See more product details

Customer ratings by feature

Sturdiness
4.5 4.5
Easy to install
4.5 4.5
Value for money
4.3 4.3

Frequently bought together

$77.68 ($19.42/Count)
Get it as soon as Monday, Mar 25
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$66.88 ($16.72/Count)
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$69.44 ($17.36/Count)
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Filterbuy 16x20x4 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.38 x 19.38 x 3.63 Inches)
Filterbuy 16x20x4 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.38 x 19.38 x 3.63 Inches)
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Price$77.68$72.12$76.99$45.68$41.80$99.60
Delivery
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Customer Ratings
Sturdiness
4.5
4.1
4.6
4.6
4.8
4.5
Easy to install
4.5
4.6
4.8
4.6
4.9
4.6
Value for money
4.3
4.2
4.6
4.6
4.8
4.7
Sold By
Filterbuy
Filterbuy
Filter Pro
Filterbuy
Filterbuy
Filterbuy
compatible devices
Air Conditioner, Furnace, Heat Pump, Air Cleaner
Air Conditioner, Furnace, Heat Pump, Air Cleaner
Air Conditioner, Furnace
Air Conditioner, Furnace, Heat Pump, Air Cleaner
Air Conditioner, Furnace, Heat Pump, Air Cleaner
Air Conditioner, Furnace, Heat Pump, Air Cleaner
MERV rating
8
13
11
8
8
8
number of items
1
1
1
1
1
1
material
Plastic, Aluminum, Polyester
Plastic, Aluminum, Polyester
Carbon Fiber
Plastic, Aluminum, Polyester
Plastic, Aluminum, Polyester
Plastic, Aluminum, Polyester

From the brand


Product Description

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

Replacement Air Filter 16x20x4 (Actual Size: 15.38 x 19.38 x 3.63 Inches)

silver merv 8 banner badge

16x20x4 MERV 8

gold merv 11 banner badge

16x20x4 MERV 11

platinum merv 13 banner badge

16x20x4 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
4.5 out of 5 stars
1,540
4.5 out of 5 stars
504
4.2 out of 5 stars
970
4.7 out of 5 stars
11,777
4.7 out of 5 stars
13,411
4.7 out of 5 stars
7,985
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.

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

Feedback

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Filterbuy 16x20x4 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.38 x 19.38 x 3.63 Inches)


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Customer reviews

4.5 out of 5 stars
4.5 out of 5
427 global ratings

Customers say

Customers like the value and performance of the air filter. For example, they mention it functions well and is good value for money. That said, opinions are mixed on size and filter.

AI-generated from the text of customer reviews

26 customers mention26 positive0 negative

Customers appreciate the value of the air filter. They say it's a great find, with good quality and good value for money.

"...The price was the best and they arrived quickly." Read more

"Great quality and wonderful customer service" Read more

"Great value" Read more

"Great prices" Read more

8 customers mention8 positive0 negative

Customers are satisfied with the performance of the air filter. They mention that it functions well, is fine, and has no issues for the first month.

"...Easy to install, works good." Read more

"Bird set I’ve installed they work very well. They are installed to replace an electrostatic air cleaner." Read more

"Product is fine but most important thing is I can buy 4 filters via Amazon verses 2 at the same price from hardware store, great deal.." Read more

"Good for the price. No issues for the first month." Read more

5 customers mention5 positive0 negative

Customers find the installation process of the HVAC air filter to be easy. They mention that the product comes with simple, clear directions.

"...Immediate reply, very easy to do biz with. I haven't tried the product yet, but it seems to be a good value." Read more

"...Easy to install, works good." Read more

"The filters are exactly what I need as far as size, quality, and easy to install with simple clear directions, will buy from these folks again!" Read more

"Easy to install" Read more

23 customers mention9 positive14 negative

Customers are mixed about the size of the air filter. Some mention that it fits perfectly, while others say that it's not true to size. The measurements are not even close, and the filter is undersized.

"...The bottom line is they don’t fit properly in the filter opening. If you attempt to return them they’ll try to stick you with postage...." Read more

"They fit just fine. I did not have an excessive clearance on the either side of them...." Read more

"...The new filter is not quite wide enough to sit on the little ledges that the filter is supposed to sit on, so my new filter is now jammed in there..." Read more

"Fits perfect in my furnace, I replace every other month" Read more

8 customers mention4 positive4 negative

Customers are mixed about the filter. Some mention that it's excellent, while others say that it was filthy, the box arrived damaged, and the filter was really damaged.

"These are decent filters I suppose. They're dirty after a few months use so I suppose they're working - lol...." Read more

"...2 weeks after putting one of these in the filter was filthy." Read more

"Filters as expected." Read more

"Good filters..." Read more

Don't waste your time.
1 Star
Don't waste your time.
Measurements are not even close. Don't waste your time and energy returning it.
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