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Actual Size: 14x27x1"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 14x27x1"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 14x27x1"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months
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.

Proudly Made In The USA

Fast, Free Shipping on Every Order

Premium Materials That Go The Distance

85,000+ 5-Star Reviews From Happy Customers

Save Up to 70% Per Filter with Packs




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

Round up each dimension to the nearest whole number to get the nominal size. Example: 14x27x1" in → 14x27x1 nominal.

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

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

Comparable to:FPR: 4-7
MPR: 600-1000
Dust & Debris
Dust Mites & Particles
Pollen
Mold
Lint
Dander
Comparable to:FPR: 6-9
MPR: 1200-1550
Dust & Debris
Dust Mites & Particles
Pollen
Mold
Lint
Dander
Smoke & Smog
Comparable to:FPR: 10
MPR: 1900-2800
Dust & Debris
Dust Mites & Particles
Pollen
Mold
Lint
Dander
Smoke & Smog
Bacteria























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:
More pleats = more surface area to capture dust and debris, keeping your air cleaner longer.
Pleats are magnetized to attract and trap microscopic particles—like pet dander, pollen, and smoke.
Engineered to resist warping in extreme temperatures and high humidity.

A layer of metal reinforcement keeps pleats evenly spaced and structurally sound—no sagging, even at high airflow.
Assembled with care. Built to perform. Ships fast, free, and reliably from our U.S. facilities.

Turn Off Your HVAC SystemSafety first.

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

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

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

Efficiency:
High (MERV 8–13) – Traps more particles
Lifespan:
90 days – Long-lasting performance
Air Quality:
Excellent – Cleaner, healthier air
Materials:
Recyclable and durable

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.
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:

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

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.

For households affected by smoke, pollution, or respiratory conditions, monthly changes ensure maximum protection.
| Nominal Size | 14 x 27 x 1 inches |
| Actual Size | 14 x 27 x 1" inches |
| Filter Type | Pleated |
| Media | Electrostatically Charged |
| Frame | Beverage Board |
| MERV Ratings Available | 8, 11, 13 |
| Lifespan | Up to 90 Days |
| Origin | Made in USA |
Not all air filters are created equal, and we’ve built ours to prove it. At Filterbuy.com, we’ve spent years refining our 14x27x1 MERV 11 HVAC and furnace filters based on direct customer feedback and real-world performance data. Engineered to capture over 95% of airborne particles without restricting airflow, our filters are trusted by thousands of homeowners who demand both air purity and system efficiency. Manufactured in our U.S.-based facilities with strict quality control, every filter we ship reflects our commitment to cleaner air, better health, and long-term HVAC performance. You’re not just buying a filter—you’re investing in proven home air quality solutions from a team that lives and breathes filtration.
MERV 11 captures 95% of particles.
Great for dust, pollen, pet dander, and mold.
Made for real homes.
U.S.-built, tested, and performance-refined.
Indoor air is 2–5x more polluted than outdoor air.
Quality filters are essential for clean air.
Easy ordering + fast shipping.
Auto-delivery keeps replacements on schedule.
Simple to install.
No tools. Just slide in and breathe easier.
When it comes to protecting your home’s air quality, the right air filter makes all the difference. Filterbuy’s 14x27x1 MERV 11 HVAC and furnace air filters are designed to strike the ideal balance between high-efficiency filtration and optimal airflow. Built to trap up to 95% of airborne particles—including dust, pollen, pet dander, mold spores, and even smoke—these filters help reduce allergy triggers and improve overall indoor air quality.
Crafted in our U.S.-based manufacturing facilities, each filter is made with durable, moisture-resistant frames and electrostatically charged pleated media for long-lasting performance. We’ve tested these filters in real homes and with real systems, ensuring they perform as promised—no guesswork, just dependable protection.
With fast shipping, flexible subscription options, and factory-direct pricing, Filterbuy.com makes it easy to get the right filter delivered when you need it—no trips to the store, no sizing confusion. It’s simple, efficient, and built for healthier living.

“After years of testing filter performance across a wide range of HVAC systems and home environments, we engineered our 14x27x1 MERV 11 filters to do more than just trap particles—they’re built to protect your air quality without straining your system. We stand behind every filter we ship because we’ve seen firsthand how the right filtration can transform a home’s comfort, efficiency, and health.”
We've helped thousands of homeowners improve their air quality. Here’s what the research—and our own experience—tells us:
Indoor air is often 2–5x more polluted than outdoor air.
Backed by: EPA.gov
We’ve tested homes with elevated dust, dander, and smoke particles.
Our MERV 11 filters help trap them before they impact your health.
You spend 90% of your time indoors.
Backed by: EPA.gov
Living, working, and sleeping indoors make clean air essential.
We’ve seen allergy symptoms drop when better filtration is used.
Poor air quality is linked to 50% of illnesses.
Backed by: ACAAI.org
Respiratory issues often improve with cleaner indoor air.
Many Filterbuy customers report fewer asthma and allergy flares.
Clean indoor air isn’t a luxury—it’s a necessity. After working with thousands of homeowners and HVAC pros, here’s what we’ve learned:
The right air filter makes a big impact. It improves comfort, reduces allergy symptoms, and boosts HVAC efficiency.
We built our 14x27x1 MERV 11 filters to exceed expectations.
Optimized for airflow and durability
Tested in real homes with real results
Why Filterbuy is different:
Engineered based on customer feedback
Manufactured in the USA with quality control
Backed by years of filtration experience
Bottom line: Choosing a high-quality filter is one of the simplest ways to support a healthier home. With Filterbuy, you’re not just buying a filter—you’re getting performance, reliability, and a team that genuinely cares about your air.
Check your filter size.
Look for “14x27x1” printed on your current filter.
Pick your filtration level.
Order from Filterbuy.
Fast, free shipping
Factory-direct pricing
Auto-delivery available
Install in minutes.
Slide out the old filter, insert the new one—done.
Replace every 90 days.
Or sooner if you have pets or allergies.
Set a reminder or subscribe for automatic deliveries.
MERV 11 filters capture up to 95% of airborne particles, including dust, pollen, pet dander, mold spores, and smoke, offering strong protection without restricting airflow.
We recommend replacing it every 90 days. If you have pets, allergies, or high indoor air pollution, consider changing it every 60 days for best performance.
While it’s a less common size, Filterbuy manufactures 14x27x1 filters to precise standards. Always check the size printed on your current filter to confirm a match.
Filterbuy filters are made in the USA, ship fast, and are built to last. Our filters are crafted with high-quality materials and backed by real testing in home environments, not just specs on paper.
Yes! Filterbuy offers flexible auto-delivery plans so you never forget to change your filter. Choose your frequency and we’ll handle the rest.