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12x15x1 MERV 11 Pleated Air Filter

 

Actual Size: 11.5x14.5x1"

$98.94$16.49/ea
delivery truckFree Delivery
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Superior
Superior

RESIDENTIAL AND/OR COMMERCIAL USE

Change Every 3 Months

About

  • This is a list 12x15x1 MERV 11 air filter replacement for your furnace, air conditioner, heat pump, or HVAC system
  • Actual air filter size: 11.5x14.5x1"
  • 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 12x15x1 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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85,000+ 5-Star Reviews From Happy Customers

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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., 12x15x1).
  • 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., 11.5x14.5x1" 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 12"Act 11.5"
Nom 1"Act 1"
Nom 15"Act 14.5"
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: 11.5x14.5x1" in → 12x15x1 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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  • Edit, Skip, or Cancel Anytime.
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 Size12 x 15 x 1 inches
Actual Size11.5 x 14.5 x 1" inches
Filter TypePleated
MediaElectrostatically Charged
FrameBeverage Board
MERV Ratings Available8, 11, 13
LifespanUp to 90 Days
OriginMade in USA

Buy the Best 12x15x1 MERV 11 Pleated Air Filter HVAC & Furnace Air Filters for Home

At Filterbuy, we’ve seen firsthand how overlooked air filters can quietly compromise a home’s comfort, health, and HVAC efficiency. That’s why our 12x15x1 MERV 11 pleated filters are designed not just to meet industry standards—but to exceed expectations based on what we’ve learned from serving thousands of U.S. households. Built with high-capacity synthetic media and moisture-resistant frames, this filter captures up to 95% of airborne particles—including the ones most filters miss—without choking your airflow. If you've dealt with allergy flare-ups, lingering dust, or uneven HVAC performance, this is the upgrade you didn't know your home needed.

Top Takeaways

Filterbuy's 12x15x1 MERV 11 pleated air filter is the best product for those who want advanced indoor air quality without losing HVAC efficiency. This filter is highly efficient in the range of 95% of airborne particles—which mainly are dust mites, pet dander, mold spores, pollen, and smoke—that it is able to remove from the air, and thus the filter creates a very powerful barrier to common allergens and irritants.

Made in the United States of America using a synthetic material that is electrically charged, our filters are designed in such a way that they can catch the maximum number of particles with minimum airflow resistance, thus aiding your system in running efficiently, along with having cleaner air. The wood frame of industrial beverage grade will not warp, causing stiffness, and thus it is highly durable and long-lasting, with performance continuing during the 3-month lifespan.

If you are a person who changes a filter or upgrades it for better protection, then you can choose this MERV 11 option, which is perfect for households with pets, allergy sufferers, or anyone looking for a healthier home environment. Filterbuy’s promise of fast, free delivery and quality support makes it an intelligent option for a long-lasting, reliable filter.

View of Filterbuy’s MERV 11 HVAC air filters

"After working with HVAC systems for over a decade, we’ve learned that the right filter does more than just trap dust—it protects your health, extends your system’s lifespan, and stabilizes airflow. That’s why we engineered our 12x15x1 MERV 11 filter to strike the perfect balance between particle capture and performance. It’s the filter we trust in our own homes."

Supporting Statistics at a Glance

Here’s what the data—and our experience—say about why MERV 11 filters make a smart choice:

1. High Particle Capture Efficiency

Source: EPA Technical Bulletin

2. Proven Indoor Air Quality Improvement

Source: EPA MERV Rating Guide

3. Field-Tested Performance

Source: EPA Filtration Study

Why It Matters

Final Thought & Expert Opinion

Why MERV 11 Makes Sense:

What We’ve Seen at Filterbuy:

Our Professional Perspective

Smart investment. Proven results. Trusted by professionals.

Next Steps

1. Select Your Filter

2. Place Your Order

3. Install and Maintain

Bonus Tip:

Frequently Asked Questions

What does MERV 11 mean, and is it right for my home?

MERV 11 filters offer a higher level of filtration than standard MERV 8 filters. They capture up to 95% of airborne particles such as pollen, pet dander, mold spores, and dust. It's ideal for homes with pets, allergies, or anyone seeking improved indoor air quality without putting too much strain on HVAC airflow.

How often should I replace my 12x15x1 MERV 11 filter?

We recommend replacing your filter every 90 days under normal conditions. If you have pets, allergies, or live in a high-pollen area, consider replacing it every 60 days for optimal performance.

Will a MERV 11 filter reduce energy efficiency or airflow?

Not when properly sized and installed. Our MERV 11 filters are engineered for low resistance and maintain healthy airflow while delivering high filtration efficiency—so your HVAC system runs smoothly.

Is this filter compatible with both HVAC systems and furnaces?

Yes. The 12x15x1 MERV 11 filter is compatible with standard residential HVAC and furnace systems that require this specific size. Always double-check your unit’s required dimensions before ordering.

Why choose Filterbuy over other brands?

Our filters are made in the USA with high-quality materials, shipped fast, and backed by years of hands-on experience. We design our filters based on what works in homes like yours—and we use them ourselves.

    Best 12x15x1 MERV 11 Furnace & HVAC Air Conditioner Filters