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10x10x2 MERV 11 Pleated Air Filter

 

Actual Size: 9.5x9.5x1.75

$76.98$12.83/ea
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Superior
Superior

RESIDENTIAL AND/OR COMMERCIAL USE

Change Every 3 Months

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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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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., 10x10x2).
  • 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., 9.5x9.5x1.75 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.

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 10"Act 9.5"
Nom 2"Act 1.75
Nom 10"Act 9.5"
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: 9.5x9.5x1.75 in → 10x10x2 nominal.

3

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

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.

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 Size10 x 10 x 2 inches
Actual Size9.5 x 9.5 x 1.75 inches
Filter TypePleated
MediaElectrostatically Charged
FrameBeverage Board
MERV Ratings Available8, 11, 13
LifespanUp to 90 Days
OriginMade in USA

Best 10x10x2 MERV 11 Furnace & HVAC Air Conditioner Filters



By Michelle Wan, Brand Manager and Air Quality Writer · Technically reviewed by David Clark, Licensed HVAC Technician · Published September 18, 2026 · Updated September 18, 2026


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TL;DR


A 10x10x2 MERV 11 air filter is a two-inch pleated furnace and AC filter that actually measures 9.5 x 9.5 x 1.75 inches. It's our Superior tier and captures 95% of airborne particles. Filterbuy cuts, pleats, and frames it to order in its own US plants, with fast and free 2-day delivery to most US states. Count the return vents in your home before you choose a 4-, 6-, or 12-pack.


Key Takeaways


  • Check the depth first. A 10x10x2 needs a two-inch filter rack, and a wrong depth is the ordering mistake we see most.

  • Pick your tier by need. MERV 8 is the standard choice for most homes. MERV 11 is for allergies and asthma, and also pets and pollen. MERV 13 is for smoke. Check your HVAC manual for compatibility.

  • Count your slots. Two 10x10x2 slots on a 90-day schedule use eight filters a year.

  • Packs cut the price. A 12-pack brings MERV 11 to $13.33 a filter, about $14 a year more per slot than MERV 8.

  • Replace every 90 days, or every 30 to 60 days with pets or allergies.


What Is a 10x10x2 MERV 11 Air Filter?


A 10x10x2 MERV 11 air filter is a pleated filter for a 10-by-10-inch, 2-inch-deep slot in your heating and cooling system. MERV, short for Minimum Efficiency Reporting Value, is the industry rating for how well a filter captures airborne particles. The same filter works as your furnace filter and your AC filter, since heating and cooling share one blower.


Filterbuy builds the 10x10x2 in 10x10x2 MERV 8, MERV 11, and 10x10x2 MERV 13.


What Is the Actual Size of a 10x10x2 Air Filter?


A Filterbuy 10x10x2 air filter actually measures 9.5 x 9.5 x 1.75 inches. Finding your size is easy, because it's printed on the frame of your old filter. "10x10x2" is the nominal size, which is the name you order by. The actual cut is smaller by design, and that clearance is what lets the filter fit.


                                                                                                                                       
DimensionNominal (label)Actual (measured)
Length10 in9.5 in
Width10 in9.5 in
Depth2 in1.75 in



No label? Measure your old filter. If you don't have one, measure the slot. Then round each number up, so 9.5 x 9.5 x 1.75 becomes 10x10x2. Our guide to how to measure your air filter walks you through it. If your size isn't listed, we'll cut a custom air filter to the eighth of an inch.


Check the depth before you order. Our manufacturing team says a wrong depth is the most common ordering mistake it sees:


  • A 10x10x1 is only about 0.75 inch deep. In a two-inch rack, it can tilt and leave gaps.

  • A 10x10x2 won't fit a one-inch slot.

  • Two stacked one-inch filters aren't a replacement for one two-inch filter.

What Does a MERV 11 Filter Capture?


A MERV 11 filter captures 95% of airborne particles. It sits in the middle of Filterbuy's three tiers, and it's the one we make for allergies and asthma, and also pets and pollen.

                                                                                                                                                                                                                                               
MERV 8MERV 11MERV 13
TierStandard Residential/CommercialSuperior Residential/CommercialOptimal Residential/Commercial
Best forHealthy FamiliesAllergy SufferersHospital Grade
Comparable ratingsMPR 600 & FPR 5MPR 1000–1200 & FPR 7MPR 1500–1900 & FPR 10
FiltrationCaptures 90% of Airborne ParticlesCaptures 95% of Airborne ParticlesCaptures 98% of Airborne Particles
Choose it forThe standard choice for most homesAllergies and asthma; also pets and pollenSmoke

MPR and FPR are third-party rating scales, listed for comparison.


Each tier has its job. MERV 8 covers everyday needs in most homes. MERV 11 steps up for allergy sufferers and pet owners. MERV 13 is our Optimal tier, built for homes dealing with smoke. Whichever you choose, check your HVAC manual to confirm the MERV rating your system takes, the same way you'd confirm the size.


Is a 10x10x2 MERV 11 Filter Good for Allergies and Pets?


Yes. MERV 11 is our Superior tier, and allergy sufferers are who we make it for. It's also our pick for pets and pollen. The American College of Allergy, Asthma & Immunology calls a disposable MERV 11 to 13 filter the most cost-efficient choice for whole-house filtration. Filterbuy's guide to the best furnace filters for homes with pets lands on MERV 11 too. As with any tier, check your HVAC manual for compatibility.


Your filter only cleans air while the system runs. The EPA's Guide to Air Cleaners in the Home says that's usually under a quarter of the time in heating and cooling seasons. Running the fan longer moves more air through the filter, but the EPA notes it costs more in electricity and can weaken summer humidity control. For questions about allergies or asthma, talk with your doctor.


For pet homes:

  • Start at 60 days and check at 30. Hold the filter against a new one on white paper. If it looks gray, switch to a 30-day cycle. Use 30 days in spring and fall too, when dogs and cats shed the most. It's the test from our guide to how often to change your HVAC filter.

  • Keep the schedule when you upgrade. As our reviewer, licensed HVAC technician David Clark, puts it: "Usually, the filter hasn't been touched in months. People upgrade the MERV rating, then leave it in twice as long, which cancels out the upgrade and then some."

Why Do Homes Often Need More Than One 10x10x2 Filter?


Many homes have more than one return, the vent that pulls air back into your system, and each return can hold its own filter. Filterbuy's customer service team hears the result constantly. Someone changes one filter faithfully for years, while a second one in a hallway ceiling never comes out.



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“

Stop counting filters, start counting return paths, and the whole thing gets simple.

Michelle Wan, Brand Manager and Air Quality Writer, Filterbuy


Count your slots in about 10 minutes:

  1. Find every return. Hold a tissue to each vent while the system runs. It sticks to a return.

  2. See which returns open by hand. Hinges or latches mean a filter sits behind the grille.

  3. Check the equipment. Look for a filter slot where the return duct meets your furnace or air handler, the indoor unit with the blower.

  4. Read every frame. Sizes can differ, so write each one down.


Then change them all on the same day, so none gets forgotten.


Which Pack Size Should You Buy: 4, 6, or 12?


A 4-pack covers one slot for a year on a 90-day schedule. A 6-pack covers one slot for a year at 60 days. A 12-pack covers three slots for a year at 90 days.


                                                                                                                                                                                                                                                                               
PackPrice eachPack pricePer dayLasts, 90-dayLasts, 60-day
1 filter$28.99$28.99$0.323 mo2 mo
4-pack$18.24$72.96$0.2012 mo8 mo
6-pack$13.99$83.94$0.1618 mo12 mo
12-pack$13.33$159.96$0.1536 mo24 mo

Per day = price each ÷ 90 days. "Lasts" = coverage for one slot; divide by your slot count. Filterbuy pricing as of September 17, 2026; 2-, 3-, and 5-packs also available.


A 6-pack costs $10.98 more than a 4-pack and adds two filters, about $5.49 each. That makes it the better buy on a 60-day schedule or with two slots. Filterbuy auto-delivery takes another 5% off and ships every 1, 2, or 3 months.


What each MERV tier costs per year. We priced all three. MERV 11 costs $14 a year more than MERV 8 for one slot, about 4 cents a day.



Rating 12-pack price each Per slot, per year Added vs. MERV 8
MERV 8 $9.83 $39.32 Baseline
MERV 11 $13.33 $53.32 +$14.00
MERV 13 $18.08 $72.32 +$33.00

Per year = four filters on a 90-day schedule, at Filterbuy's September 17, 2026 price for 12 or more.


Why Buy 10x10x2 MERV 11 Filters From Filterbuy?


Filterbuy is a manufacturer, not a reseller. Our filters are cut, pleated, and framed to order in our own US plants. You get fast and free 2-day delivery to most US states. If you order the wrong size, our shipping, returns, and cancellations policy explains your options.


One verified buyer wrote: "I had purchased the wrong size filter and you guys went above and beyond in order to get me the right ones." (Rigoberto M., Verified Buyer). Filterbuy has 85,000+ five-star reviews.


How Often Should You Replace a 10x10x2 MERV 11 Filter?


Replace it every 90 days in a typical home. Switch to every 30 to 60 days with pets or allergy sufferers, and to every 30 days during wildfire smoke or with respiratory concerns. Michelle Wan makes the point in Filterbuy's replacement guide that two filter changes tell you more about your home than any chart does, ours included.


Supporting Statistics


  1. 1 in 4 US adults has a seasonal allergy.

  2. Dogs live in 42.6% of US homes. Cats live in 32.6%.

  3. A clean filter can cut an air conditioner's energy use by 5–15%.

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Frequently Asked Questions


What's the Best 10x10x2 MERV 11 Air Filter?


The best one fits your rack and gets changed on time. Check your HVAC manual to confirm your system takes MERV 11, the same way you'd confirm the size.


Which Way Does the Arrow Point on a 10x10x2 Filter?


The arrow points toward your furnace or air handler, the same direction the air flows. Note which way your old filter faced before you pull it out.


Are Filterbuy 10x10x2 MERV 11 Filters Made in the USA?


Yes. We cut, pleat, and frame them to order in our own US plants.


Glossary


  • MERV (Minimum Efficiency Reporting Value): The industry rating for how well an air filter captures airborne particles.

  • Nominal size: The name you order a filter by, such as 10x10x2.

  • Actual size: A filter's true cut dimensions, such as 9.5 x 9.5 x 1.75 inches for a 10x10x2. It's smaller than the nominal size so the filter fits.

  • Return: The vent that pulls air back into your heating and cooling system. Many returns hold a filter.

  • MPR and FPR: Third-party filter rating scales. Our tier chart lists comparable values for each MERV rating.

  • Filterbuy: A US manufacturer of pleated HVAC air filters, including the 10x10x2 MERV 11, sold factory-direct.

  • Pet dander: Tiny skin flakes shed by furred animals.


About the author. Michelle Wan is Filterbuy's Brand Manager and Air Quality Writer (B.A., UC Santa Cruz). She works directly with our US manufacturing team, so this page draws on how we make and test filters, not on spec sheets.


About the reviewer. David Clark is a Licensed HVAC Technician with Filterbuy HVAC Solutions.