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15x25x1 MERV 11 Pleated Air Filter

 

Actual Size: 14.5x24.5x1"

$79.98$13.33/ea
delivery truckFree Delivery
money downFactory-Direct Low Prices, Made in the USA
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Superior
Superior

RESIDENTIAL AND/OR COMMERCIAL USE

Change Every 3 Months

About

  • This is a list 15x25x1 MERV 11 air filter replacement for your furnace, air conditioner, heat pump, or HVAC system
  • Actual air filter size: 14.5x24.5x1"
  • 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 15x25x1 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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Save Up to 70% Per Filter with Packs

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., 15x25x1).
  • 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., 14.5x24.5x1" 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 15"Act 14.5"
Nom 1"Act 1"
Nom 25"Act 24.5"
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: 14.5x24.5x1" in → 15x25x1 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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Learn More

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 Size15 x 25 x 1 inches
Actual Size14.5 x 24.5 x 1" inches
Filter TypePleated
MediaElectrostatically Charged
FrameBeverage Board
MERV Ratings Available8, 11, 13
LifespanUp to 90 Days
OriginMade in USA

Buy the Best 15x25x1 MERV 11 HVAC & Furnace Air Filters for Your Home

Precision-Engineered for Superior Filtration and Family Protection

Looking for an air filter that goes beyond trapping everyday dust? Filterbuy’s 15x25x1 MERV 11 HVAC & Furnace Air Filters are crafted in the USA with over a decade of manufacturing expertise. Designed to capture fine particles — including pollen, pet dander, mold spores, and even smoke — these filters help you create a cleaner, healthier home environment while protecting your heating and cooling system from unnecessary wear.

Top Takeaways

Understanding MERV Ratings and Their Importance

When it comes to the air you breathe, knowing how filters are rated makes all the difference. MERV (Minimum Efficiency Reporting Value) is the standard that measures how well a filter captures airborne particles. The higher the MERV rating, the smaller the particles it can trap — but balance is key.

For most homes, a MERV 11 filter is a smart choice: it captures fine dust, pollen, and pet dander without straining your HVAC system. Think of it as a shield that helps protect both your family’s lungs and the heart of your home — your HVAC unit. Choose a rating that matches your household’s needs, and you’ll enjoy cleaner, more comfortable air every day.

Advantages of Using MERV 11 Filters

Breathe Easier, Live Better

MERV 11 filters go beyond the basics, capturing stubborn allergens like dust mites, pet dander, and pollen that lower indoor air quality. Customers often notice fewer allergy flare-ups and a fresher feel throughout their home.

Boost System Efficiency

By keeping debris out of your HVAC system, these filters help it run smoothly — reducing wear, improving airflow, and even lowering energy costs. It’s a small swap that delivers big benefits for your comfort and your wallet.

A Simple Step Toward a Healthier Home

Upgrading to MERV 11 is one of the easiest ways to create a cleaner, more welcoming living space for the people (and pets!) you love.

How to Choose the Right Air Filter for Your Home

Selecting the right filter doesn’t have to be complicated. Here’s how to make a confident choice:

Why Filterbuy.com Is the Best Place to Buy Air Filters

At FilterBuy, we make shopping for filters as easy as breathing clean air should be. On our website, you’ll find:

With FilterBuy, you get more than just a filter; you get an effortless, trustworthy experience designed to keep your home’s air fresh and your HVAC system running at its best.

Tips for Maintaining Your HVAC System and Air Filters

Consistent care keeps your system working efficiently and your air clean. Follow these expert tips:

Image of the best and quality MERV 8 15x25x1 furnace & HVAC air conditioner filters for sale online from Filterbuy.

After more than a decade designing and testing filters in our U.S. facilities, we’ve learned firsthand how a thoughtfully engineered MERV 11 air filter can transform the air inside your home. It’s not just about meeting efficiency standards — it’s about shielding your family from allergens, dust, and fine particles while helping your HVAC system stay strong and efficient for years to come.

Supporting Statistics & Insights

At FilterBuy, we blend credible research with years of real-world testing to create filters that deliver measurable improvements in your home’s air quality. Here’s what the data — and our customers — reveal:

Allergens: Pollen, Mold & More (1–3 microns)

EPA – Residential Air Cleaners (PDF)

Larger Dust & Dander (3–10 microns)

EPA – What Is a MERV Rating?

Supporting Overall Indoor Air Quality

EPA – Guide to Air Cleaners in the Home 

Final Thought & Opinion

Cleaner air means better living — and it’s simpler to achieve than most people realize.

A 15×25×1 MERV 11 filter doesn’t just meet an efficiency rating; it actively protects your family from fine particles, dust, and allergens while helping your HVAC system stay strong and efficient.

What We See Every Day at FilterBuy

Why FilterBuy Filters Stand Out

Next Steps

Frequently Asked Questions About Air Filters

Is MERV 11 Too High for Residential Use?

For most homes, MERV 11 is perfectly safe — and a smart choice if you want to capture pet dander, mold spores, and fine dust. The key is knowing your system: older or low-powered units may not handle higher resistance as easily. When in doubt, check your HVAC manual or ask a professional to confirm compatibility.

Which Is Better: MERV 8, 11, or 13?

Is There a Downside to Higher MERV Filters?

Yes airflow resistance. Filters above MERV 13 can strain a residential system if it isn’t designed for them. Restricted airflow may reduce efficiency, raise energy bills, and even damage the blower motor over time.

Is the MERV 11 Rating Good?

Absolutely. MERV 11 is an excellent mid-tier rating that improves indoor air quality without overloading most HVAC systems — making it one of our most recommended options.

How Long Does a MERV 11 Air Filter Last?

Typically up to 90 days, but usage matters:

Inspect monthly and replace when the filter looks gray or clogged.

What’s the Best MERV Rating for a Home Air Filter?

What Brand of Air Filter Is Best?

Look for brands with sturdy frames, consistent pleats, and published MERV data:

Choosing a reliable brand ensures steady performance and peace of mind.

What’s the Difference Between Cheap and Premium Filters?

How Often Should I Change My Air Filter?

How Can I Tell If a Filter Needs Replacing?

How Much Do HVAC Filters Cost?

Does the Air Filter Affect My AC?

Yes! A clean filter keeps airflow strong, helps your AC cool efficiently, and prevents frozen coils. A clogged filter forces your system to work harder — driving up energy bills and risking expensive repairs.