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Actual Size: 9.5x27.5x1"
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Factory-Direct Low Prices, Made in the USA
Hassle-Free Returns & Free Exchanges
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months
Actual Size: 9.5x27.5x1"
Free Delivery Factory-Direct Low Prices, Made in the USAHassle-Free Returns & Free ExchangesRESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months
Actual Size: 9.5x27.5x1"
Free Delivery Factory-Direct Low Prices, Made in the USAHassle-Free Returns & Free ExchangesRESIDENTIAL 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: 9.5x27.5x1" in → 10x28x1 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 & DebrisDust Mites & ParticlesPollenMoldLintDander
Smoke & Smog
Comparable to:FPR: 10
MPR: 1900-2800
Dust & DebrisDust Mites & ParticlesPollenMoldLintDanderSmoke & 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 | 10 x 28 x 1 inches |
| Actual Size | 9.5 x 27.5 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 |
After years of helping homeowners tackle indoor air quality concerns, we’ve learned that not all air filters perform equally—especially in unique sizes like 10x28x1. That’s why we developed our 10x28x1 MERV 13 HVAC and furnace air filters with real families in mind. Built in the USA and rigorously tested for performance, these filters don’t just meet industry standards—they exceed expectations by capturing up to 98% of airborne particles like dust, pet dander, and mold spores. If you’ve ever struggled with allergies, asthma, or frequent system clogs, upgrading to our high-efficiency 10x28x1 MERV 13 filter could be the game-changer your home needs.
MERV 13 filters capture up to 95 percent of allergens, smoke, and bacteria.
Filterbuy 10x28x1 filters are robust, effective and designed to be used in real-life houses.
Supported by credible research and actual experiences of HVAC professionals.
Enhances the quality of air, the lifetime of the system and daily comfort.
No-hassle ordering and replacement, clean air is easy.
The size and rating of the filter is especially important when it comes to having healthy indoor air, particularly with more uncommon sizes such as 10x28x1. Filterbuy MERV 13 HVAC air filters and furnace air filters are made to trap microscopic particles such as pollen, smoke, bacteria, and even droplets that carry viruses, all the time ensuring your system has the best airflow to maintain efficiency.
These filters are made of high-quality pleated synthetic media and durable frames in the USA, which means that they provide long-term protection and performance. If you are changing an old filter or upgrading to a better air quality, our 10x28x1 MERV 13 filters will offer hospital-grade filtration, which is ideal in a home with pets, allergies, or sensitive respiratory diseases.
Additionally, Filterbuy offers quick delivery and convenient online ordering, and you can guard your family and your HVAC system with a few clicks.
“After years of helping customers improve their indoor air quality, we've seen firsthand how a high-efficiency filter like our 10x28x1 MERV 13 can make a noticeable difference. It’s not just about trapping dust—it's about creating a healthier home environment for families with allergies, asthma, or sensitive lungs. That’s why we build our filters to exceed expectations, not just meet them.”
We’ve helped thousands of homeowners improve air quality using real-world results and trusted science. Here’s what you need to know:
Most people spend 90% of their time indoors.
Poor indoor air can worsen allergies, asthma, and general health.
Clean air starts with a filter that works. 🔗 lung.org
Captures ≥50% of fine particles (0.3–1 µm)
Captures ≥90% of larger particles (1–10 µm)
Includes pollen, bacteria, mold spores, and smoke 🔗 iaqscience.lbl.gov
According to the EPA, MERV 13–16 filters can cut airborne particles by up to 95%
That includes allergens, dust, and wildfire smoke 🔗 airnow.gov
✅ Our Take: Based on customer results and our own field experience, MERV 13 is the sweet spot for health, safety, and HVAC performance.
🛠️ Built for real homes: We design our 10x28x1 filters with long-term use and reliability in mind.
💨 Breathe easier—every day.
We've worked with thousands of homeowners—and one thing is clear:
The right air filter does more than trap dust.
It protects your family’s health, your HVAC system, and indoor air quality long-term.
Designed from real-world feedback Customers told us what wasn’t working—so we built a filter that does.
More than just specs High capture rates are great, but it’s the real-life difference—fewer allergy symptoms, easier breathing, longer system life—that really counts.
Most common reaction? "We didn’t know the air could feel this clean."
Don’t settle for standard filters just because they’re familiar.
If clean air, better health, and long-term HVAC efficiency matter to you—MERV 13 is the smart choice.
✅ Real homes. Real results. Real clean air.
Take these simple steps to improve your indoor air today:
Select single or multi-pack options.
Stock up to stay ready for future replacements.
Make sure your system uses 10x28x1 filters.
A proper fit ensures full efficiency.
Fast, secure checkout at Filterbuy.
Orders ship quickly, right to your door.
Replace every 3 months for best performance.
Tip: Set a calendar alert or sticky note.
Get tips on filter care, system health, and air quality.
Learn how to get the most from your HVAC system.
MERV 13 refers to the filter’s efficiency rating. It captures finer particles like pollen, bacteria, smoke, and mold spores—ideal for homes with allergies or respiratory sensitivities.
For optimal performance, replace every 3 months. If you have pets, allergies, or live in a high-dust area, consider replacing it more frequently—every 1–2 months.
Not if your system supports it. Filterbuy’s 10x28x1 MERV 13 filters are designed to maintain airflow while providing advanced filtration. Always check your system specs before upgrading.
No, it's a less common size—which is why Filterbuy offers custom sizing and quick delivery to ensure a perfect fit for your HVAC system.
You get cleaner indoor air, fewer allergy symptoms, reduced HVAC strain, and better protection from airborne particles—all without compromising airflow.
