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17x27x1 MERV 11 Pleated Air Filter

 

Actual Size: 17.00x27.00x0.75"

$118.98$19.83/ea
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Superior

RESIDENTIAL AND/OR COMMERCIAL USE

Change Every 3 Months

About

  • This is a list 17x27x1 MERV 11 air filter replacement for your furnace, air conditioner, heat pump, or HVAC system
  • Actual air filter size: 17.00x27.00x0.75"
  • MERV 11 synthetic media (comparable with MPR 1000/1200 and FPR 7) offers superior protection from dust, pollen, pet dander, mold, smog and more by trapping 95% of airborne particles without impacting air flow
  • High-quality construction means electrostatically charged pleated filter media, reinforced wire backing for structural integrity, and a durable frame to resist heat and humidity
  • Built to last 3 months. 300% longer than fiberglass models
  • 100% manufactured in the United States and designed with recyclable materials
  • Learn more about 17x27x1 Air Filters
Quantity

Top-Rated Filters. American Made. Delivered Free.

At Filterbuy, we don't cut corners—we craft high-quality air filters right here in the USA and ship them to your doorstep for free. No delays, no gimmicks—just clean air, made easy. With thousands of five-star reviews and filters built for real life & every HVAC system, it's no wonder why over 4 million families trust Filterbuy.

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Proudly Made In The USA

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All types of air filters from Filterbuy

Premium Materials That Go The Distance

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Things to Know About Filter Sizes

Finger pointing to nominal size

Nominal Size

  • The rounded size printed on your filter or HVAC unit (e.g., 17x27x1).
  • Usually whole numbers to make identifying and ordering easier.
  • A label for compatibility—not the exact measurement.
Finger pointing to actual size

Actual Size

  • The true, trimmed dimensions of the filter (e.g., 17.00x27.00x0.75" inches).
  • Filters are manufactured slightly smaller so they slide into the filter slot without forcing.
  • If you don't know your nominal size, measure your filter to get the actual size, then round up to find the nominal size to search on our site.
Help icon

Why the difference?

  • Nominal sizes simplify shopping and standardize categories.
  • Actual sizes ensure the filter fits properly inside your HVAC's filter rack.

How To Find Your Nominal Size When You Don't Know It

Air Filter Explaining Each Size
Nom 17"Act 17.00"
Nom 1"Act 0.75"
Nom 27"Act 27.00"
1

Measure length × width × depth with a tape measure to find the actual size.

2

Round up each dimension to the nearest whole number to get the nominal size. Example: 17.00x27.00x0.75" in → 17x27x1 nominal.

3

Search by nominal size on our site for the best fit.

Help icon
Pro tips: If your filter is missing or damaged, measure the filter slot opening the same way.

Why Getting the Right Size Matters

  • Too small? Air can bypass the filter, reducing air quality and efficiency.
  • Too big? It won't fit—risking bent frames and airflow issues.
  • Just right? You get maximum performance, better filtration, and cleaner air.
Free Exchange Policy

Free Exchange Policy

If the filter you buy doesn't fit, we'll send you a better size.

Need a Non-Standard Size?

Need a Non-Standard Size?

Build a custom filter in just a few clicks.

What's a MERV Rating?

MERV stands for Minimum Efficiency Reporting Value—but don't let the technical name fool you. It's just a way to rate how well an air filter traps stuff like dust, pollen, pet dander, and smoke. The higher the MERV number, the more particles it catches—and the cleaner your air will be.

Swipe To See More
Dust & Debris
Dust Mites & Particles
Pollen
Mold
Lint
Dander
Smoke & Smog
Bacteria
Odors
MERV 8

MERV 8

Comparable to:FPR: 4-7MPR: 600-1000



MERV 11

MERV 11

Comparable to:FPR: 6-9MPR: 1200-1550


MERV 13

MERV 13

Comparable to:FPR: 10MPR: 1900-2800

What Makes Our Filters Last 90 Days? Quality, From the Inside Out

We build every Filterbuy filter to deliver reliable 90-day performance—thanks to smart design and premium materials that do the heavy lifting. Here's what makes the difference:

Pleated Design

More pleats = more surface area to capture dust and debris, keeping your air cleaner longer.

Electrostatically Charged Media

Pleats are magnetized to attract and trap microscopic particles—like pet dander, pollen, and smoke.

Synthetic Beverage Board Frame

Engineered to resist warping in extreme temperatures and high humidity.

Air Filter Wit Zoom In Key Features

Aluminum Dual Wire Backing

A layer of metal reinforcement keeps pleats evenly spaced and structurally sound—no sagging, even at high airflow.

Made in the USA

Assembled with care. Built to perform. Ships fast, free, and reliably from our U.S. facilities.

How to Install Your Filter in 4 Simple Steps

How to install your filter - Step 1 - return-vent

Turn Off Your HVAC SystemSafety first.

How to install your filter - Step 2 - return-vent

Remove The Old FilterLook for the airflow arrow and make note of the direction.

How to install your filter - Step 3 - return-vent

Slide In Your New FilterArrow should point toward the system (same direction as before).

How to install your filter - Step 4 - return-vent

Turn Your System Back OnAnd enjoy the fresh, clean air.

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Pleated Filters vs. Fiberglass—What's the Difference?

Not all air filters are created equal. Pleated filters don't just last longer—they actually clean your air better. Here's how they stack up:

Pleated Filter

Pleated Filters

Efficiency:

High (MERV 8–13) – Traps more particles

Lifespan:

90 days – Long-lasting performance

Air Quality:

Excellent – Cleaner, healthier air

Materials:

Recyclable and durable

Fiberglass Filter

Fiberglass Filters

Efficiency:

Low (MERV 4 or less) – Misses small stuff

Lifespan:

30 days or less – Replace often

Air Quality:

Minimal – Basic protection only

Materials:

Thin, flimsy, and not recyclable

Pleated filters are a no-brainer—more protection, less hassle, and better air for your home.

How Often Should You Change Your Filter?

Changing your filter on time keeps your HVAC system running efficiently—and helps protect your lungs from dust, allergens, and airborne irritants. Here's how often to swap it out based on your needs:

Calendar Illustration Every 90 days

Every 90 Days

Standard Schedule

For most homes without pets or special air quality concerns. Great for general upkeep and energy efficiency.

Calendar Illustration Every 60 days

Every 60 Days

If You Have Pets or Allergies

Shedding fur, dander, and allergy triggers can build up fast. Changing your filter every two months helps keep the air fresher and symptoms at bay.

Calendar Illustration Every 30 days

Every 30 Days

If You Have Respiratory Concerns or Live in Smog/Wildfire Zones

For households affected by smoke, pollution, or respiratory conditions, monthly changes ensure maximum protection.

Help icon
Final tip:
Want to stay on track? Set a reminder—or skip the stress with auto-delivery so fresh filters show up right when you need them.

Don't Just Take Our Word For It...

Got More Questions? We've Got Answers.












Product Specifications

Nominal Size17 x 27 x 1 inches
Actual Size17.00 x 27.00 x 0.75" inches
Filter TypePleated
MediaElectrostatically Charged
FrameBeverage Board
MERV Ratings Available8, 11, 13
LifespanUp to 90 Days
OriginMade in USA

Buy the Best 17x27x1 MERV 11 HVAC & Furnace Air Filters for Home From Filterbuy

Finding a 17x27x1 MERV 11 filter that actually fits and performs like it should can be frustrating—that’s why we started making our own. At Filterbuy, every filter is built in our U.S. manufacturing facility using premium materials we’ve tested in millions of real homes. Our MERV 11 filters are engineered to capture fine dust, allergens, and pet dander without straining your HVAC system—because we know clean air shouldn’t come at the cost of airflow. With over 600 sizes (and any custom size you need), fast free U.S. shipping, and factory-direct pricing, you get expert-made filters that truly deliver better air, without the hassle.

Top Takeaways

What to Know About MERV 11 Air Filters

First of all, proper use of air filters is one of the main factors that determine the quality of the air, and MERV 11 units are a pretty popular choice. MERV stands for Minimum Efficiency Reporting Value, and it is a rating system that assesses the efficiency of an air filter by the number of particles that the filter can capture out of the air. The ratings go from 1 to 20, where 20 indicates the most efficient filter.

MERV 11 filters are good at providing performance anare d still cost-effective. Their capture rate of 65 to 80% of particulate matter of 1.0-3.0 microns in size is a variety of matter that includes dust mites, mold spores, pet dander, and pollen. These filters are widely used in homes, office buildings, and factories as they are good enough for air purification for peopleʼs comfort, and also for the protection of the HVAC system against dust accumulation.

MERV 11 filters may not always be the right decision, even though they provide better air quality. A higher MERV-rated filter will trap smaller particles more efficiently, but may limit the airflow in some HVAC systems. The limitation of the air leads to higher energy consumption and, in addition, it may cause the system to overheat and consequently be damaged. The decision on which air filter to select should be your last step after you have determined your needs and the capacity of your HVAC system.

Benefits of 17x27x1 Filter Size

The 17x27x1 filter is a source of various benefits both for residential premises and commercial spaces. Its unique size is not only more than adequate for air filtration, but it also stretches to cost savings and space utilization.

Why Choose Filterbuy Products

Choices are abundant when it comes to air filters for HVAC and furnaces; however, Filterbuy products are still unique in their own way. One major factor is the outstanding durability of these products. The manufacturing routines at Filterbuy are focused on the use of premium materials, which, in turn, ensure that the filters will be longer-lasting. Such a lifespan implies not only that the replacements will be infrequent but also that there will be notable cost savings in the long run.

Customer satisfaction is also very important to Filterbuy. Delivering perfect service, they respond to any questions or problems that customers may have promptly and efficiently. Due to fast delivery times and a simple ordering procedure, customers get to have an easy, trouble-free experience. Filterbuy even offers a satisfaction guarantee, committing to fixing any customer dissatisfaction with their purchases.

Home Air Quality Enhancement

Using better HVAC and furnace air filters, such as Filterbuy's, can be a major factor in improving indoor air quality. Filtebuy's 17x27x1 MERV 11 filters are the best option for people who have allergies and/or respiratory problems. These are basically allergy-reliever filters whose main work is to capture allergens in the home, such as dust mites, pet dander, pollen, etc., and then remove them from the air in your home.

Consider three points if you want to have the maximum air purification and allergy relief:

Firstly, changing the air filters regularly is a must if you want to keep their air purification function at a high level.

People with allergies and/or respiratory problems would benefit most benefited by using Filterbuy's 17x27x1 MERV 11 filters. The main goal of these filters is to serve as allergy relievers by capturing various allergens in the home, such as dust mites, pet dander, and pollen, and then removing them from the air in your home.

To maximize air purification and get relief from allergies, make sure to consider these three points:

Installation

Perhaps installing new air filters is intimidating, yet it is only a simple task. To start with, make sure that you have the right size of the filter. Take our MERV 11 air filters, for instance, which are 17x27x1 in size and fit perfectly. Always ensure that you take the measurements twice before you start the installation.

It would be best if you turned off your HVAC system before you begin your work to be on the safe side. The filter compartment can be found either in the return air duct or the blower compartment. After removal of the old filter, it is advisable to check the airflow direction, which is usually indicated by an arrow on the frame. The same direction is the one in which the new filter has to be oriented.

It is good to put the new filter in place securely by sliding it in carefully. You should be replacing the filters of your air system if you are doing it regularly, once every 90 days, and you should be checking it every 30 days. On the other hand, if you have pets, are suffering from an allergy, or live in a highly polluted area, it is recommended that you change your filters more often.

Putting new filters in your device is a brief operation that leads to quite important advantages for the air in your home. The correct size of the filter and the right direction of airflow are the main factors on which the success of the installation depends. By regular maintenance of the filters, you will make sure that your HVAC will last longer and will be able to provide you with cleaner, fresher air.

View of 17x27x1 MERV 11 HVAC air filter from Filterbuy

“After building and testing millions of filters in real homes across America, we’ve learned that the best air filter isn’t just about a high MERV rating—it’s about balance. A well-made MERV 11 filter delivers cleaner air, steady airflow, and lasting system protection. That’s the standard we build into every Filterbuy filter—because your home’s air deserves nothing less.”

Supporting Statistics

At Filterbuy, we’ve tested millions of MERV 11 filters in real homes—and the data backs up what we see every day.

Proven Filtration Efficiency:

EPA on Air Quality:

CDC Guidance:

Bottom line: A well-made MERV 11 filter—like those built and tested by Filterbuy—delivers verified filtration power, steady airflow, and healthier indoor air without the hassle.

Final Thought & Opinion

After we have produced and tested millions of filters in various homes all over the country, the one thing that we have discovered is: purified air is actually a matter of balance rather than complexity.

MERV 11 is the best point.

Real results we have seen:

Our viewpoint:

In essence, a MERV 11 filter is what you need if you want to have a good and reliable protection, clean air, as well as long-term HVAC efficiency—i.e., perfect equilibrium for comfort and peace of mind.

Next Steps

Get cleaner air and protect your HVAC system in just a few easy steps:

Check Your Filter Size

Pick Your MERV Rating

Order Direct from Filterbuy

Install & Maintain

Enjoy Cleaner Air

Frequently Asked Questions

Is MERV 11 too high for home use?

No. MERV 11 is ideal for most homes—it captures pet dander, pollen, and fine dust without restricting airflow in properly maintained systems.

Which MERV rating is best for home use?

MERV 8–13 is generally best. MERV 8 suits standard dust control, while MERV 11–13 provides better allergy and pet protection.

Is there a downside to high MERV filters?

Yes. Very high MERV filters (above 13) can restrict airflow if the HVAC system isn’t designed for them, causing strain and reduced efficiency.

Who makes the best HVAC filters?

Top-rated brands include Filterbuy, 3M Filtrete, Honeywell, and Nordic Pure—known for quality materials, consistent performance, and U.S. manufacturing.

What is the best air filter for a home?

A MERV 11 pleated filter is a strong all-around choice—it balances airflow, efficiency, and allergen removal for most residential systems.

What MERV rating does Trane recommend?

Trane typically recommends MERV 8 to 13 filters, depending on the system model and the home’s air quality needs.

What MERV rating do hospitals use?

Hospitals generally use MERV 14–20, with surgical suites and isolation rooms often using HEPA (MERV 17+) filters.

Will a higher MERV filter save me money?

Not directly. It improves air quality and reduces dust buildup in coils and ducts, which can improve efficiency—but very high MERV filters may increase energy use if too restrictive.

What MERV rating does Bryant recommend?

Bryant recommends MERV 8 to 13, depending on system design and filtration needs. Always check your model’s specs.

What is the difference between cheap and expensive HVAC filters?

Cheap fiberglass filters only catch large debris and protect equipment. Higher-quality pleated filters trap smaller particles, last longer, and improve indoor air quality.

What MERV level is needed for mold?

MERV 11 or higher is recommended to capture airborne mold spores effectively.

How does a high-flow filter add?

For HVAC systems—none. “High-flow” performance filters that add horsepower apply to car engines, not home HVAC systems.