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Actual Size: 16.00x27.00x0.75"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 16.00x27.00x0.75"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 16.00x27.00x0.75"
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: 16.00x27.00x0.75" in → 16x27x1 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 | 16 x 27 x 1 inches |
| Actual Size | 16.00 x 27.00 x 0.75" 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 |
Breathe Easier With Trusted, Expert-Made Protection
At Filterbuy, we’re not just selling filters — we’re obsessed with creating better indoor air for all. After manufacturing and testing millions of filters right here in America, we know what truly matters: protecting your family’s health, your home’s comfort, and your HVAC system’s efficiency.
Our 16x27x1 MERV 11 filters are engineered and quality-checked by indoor air experts who understand the real-world challenges your home faces — from Florida’s heavy humidity and seasonal allergens to everyday dust, dander, and pollutants you can’t see but breathe every day.
Precision Fit & Superior Filtration: Each filter is crafted to fit perfectly and capture up to 95% of airborne particles that threaten your home’s air quality.
American Manufacturing & Expert Testing: Built with pride, tested for real homes, and refined through years of customer feedback and continuous product innovation.
Direct-from-Factory Value: No middleman markup — just expert-grade filters at honest prices you can trust.
Indoor air can be 2–5× dirtier than outdoors
Hidden dust, allergens, and pollutants often circulate right inside your home — even when you can’t see them.
MERV 11 hits the sweet spot
The ideal balance of strong filtration and smooth airflow to protect your family and keep your HVAC running efficiently.
Engineered & tested by Filterbuy experts
Built in America and refined through years of real-world manufacturing experience and customer feedback.
Direct-from-Filterbuy value
No retail markups — just honest pricing and high-quality filters delivered straight to you.
Auto-delivery for year-round clean air
Set it and forget it — stay protected without the hassle of remembering when to replace your filter.
Clean, healthy indoor air starts with the right MERV rating — the standard that shows how effectively an HVAC filter can capture airborne particles.
Higher MERV = stronger filtration. Dust, pollen, pet dander, mold spores, and other irritants have a harder time passing through.
But balance matters. Go too high and airflow can suffer, forcing your HVAC system to work harder and use more energy.
Think of it like picking the right pair of running shoes — you want excellent support without slowing yourself down. The right MERV rating keeps your home’s air cleaner and your system running efficiently.
At Filterbuy, we’ve spent years testing filters in real homes and listening to millions of customers. Our findings? MERV 11 hits the sweet spot for most families.
Captures more of what you can’t see: Dust, pollen, pet dander, mold spores, and other common household irritants.
Protects your HVAC system: Maintains healthy airflow while keeping coils and ducts cleaner, helping your system last longer.
Supports better health & comfort: Fewer allergy triggers, less sneezing, and a fresher indoor environment.
Longer-lasting performance: High efficiency means fewer changes compared to basic filters, saving you time and money.
If you’re looking for reliable protection and great airflow without stressing your system, MERV 11 is our expert-backed recommendation.
Finding the right air filter doesn’t need to be overwhelming. Here’s how to simplify it:
Check your current filter or HVAC manual — your size is usually printed on the side (e.g., 16x27x1).
Match the right MERV rating — for most homes, MERV 11 balances clean air and system efficiency beautifully.
Invest in quality — cheap filters might look appealing, but well-made filters trap more harmful particles and can reduce long-term HVAC costs.
A well-sized, high-quality filter means better airflow, better air, and lower stress for you and your system.
Skip the guesswork and aisles of look-alike filters. At Filterbuy, we make it easy to get the right protection for your home:
Hundreds of exact sizes & custom options: We offer 600+ standard sizes — and custom filters if you need something unique.
Tested & trusted by homeowners nationwide: Real reviews and proven performance from millions of homes.
Expert-made in the USA: Designed, manufactured, and quality-checked by people who know air inside and out.
Factory-direct pricing: Skip retail markups while still getting premium quality.
With Filterbuy, you shop smarter, save more, and protect your home’s air with confidence.
Change filters regularly: Every 90 days works for most homes; every 30–60 days if you have pets or allergies.
Schedule annual HVAC checkups: A professional inspection can catch small issues before they become big (and expensive) problems.
Keep outdoor units clear: Remove leaves, debris, and clutter for better airflow and efficiency.
A little proactive care goes a long way toward cleaner air, lower bills, and a longer-lasting HVAC system.

After decades of designing and testing millions of air filters across American homes, we’ve discovered a powerful truth: clean indoor air isn’t just about swapping filters — it’s about engineering them to solve real-life air challenges. That’s why our MERV 11 filters are built by air-obsessed experts who understand what your home is up against — from Florida’s heavy humidity and persistent allergens to the everyday dust and dander you can’t see but breathe in. Each filter is precision-crafted to protect your family’s health, your home’s comfort, and your HVAC system’s performance.
Indoor air can be 2–5× dirtier than outdoors
EPA studies confirm that dust, pet dander, and mold levels often run higher inside than out. Our insight: After measuring air quality in homes nationwide, we know filters must do more than just fit the slot — they must tackle the hidden buildup you breathe every day.
1 in 13 Americans lives with asthma
CDC research shows indoor triggers like dust mites, pollen, and pet hair can make symptoms worse. Our insight: Homeowners who switch to MERV 11 filters often report fewer allergy flare-ups and cleaner, more comfortable air.
MERV ratings directly shape your air quality
ASHRAE findings show high-rated filters can capture up to 90% of fine particles, while low-end filters catch only about 20%. Our insight: We’ve tested this in real homes — MERV 11 hits the sweet spot of strong filtration without restricting airflow, protecting both your family and your HVAC system.
Clean air isn’t a luxury — it’s essential for protecting your family and your home.
At Filterbuy, we’ve spent decades engineering and testing millions of filters across real homes. One truth has become clear: the right filter changes the way your home breathes.
We’ve seen it firsthand. Families struggling with allergies, asthma, and high energy bills often rely on basic, low-grade filters that let hidden irritants slip through. Upgrading to a MERV 11 filter can mean fresher air, fewer allergy triggers, and a more efficient HVAC system that works smarter, not harder.
Our Professional Opinion
Don’t settle for “good enough.” Big-box filters often focus on mass production, not performance. True protection comes from filters engineered for real-world air challenges — humidity, allergens, fine dust, and Florida-style moisture included.
Experience matters. With decades of manufacturing expertise, we know how to design and test filters that keep your air clean and your HVAC system running strong — season after season.
Check your filter size
Look at the frame of your current filter or your HVAC manual to confirm you need 16×27×1.
Choose MERV 11 protection
Our MERV 11 filters block dust, pollen, pet dander, mold spores, and other fine particles — keeping your home’s air cleaner and safer to breathe.
Order direct from Filterbuy
Skip the big-box markup. Get factory-direct quality and savings from the people who design and test your filters.
Set up auto replacements
Schedule deliveries every 1, 3, or 6 months so you never forget — and your air stays consistently fresh.
Enjoy cleaner air & peace of mind
Breathe easier knowing your HVAC system is protected and your family’s air is healthier.
No — MERV 11 is safe for most modern systems and provides better protection against small particles like pet dander, mold spores, and smoke compared to MERV 8. Just check your system’s manual or manufacturer specs to confirm it supports MERV 11.
Most homes should replace every 2–3 months, but adjust based on your environment:
Pets or allergies: every 1–2 months
Vacation or lightly used homes: up to 6 months
HEPA filters capture extremely tiny particles (even virus-size), but most central HVAC systems can’t handle HEPA airflow resistance. MERV 11 is ideal for whole-home use — excellent filtration without overworking your system.
Good everyday protection: MERV 8
Better for allergies & pets: MERV 11
Cleaner air + some virus capture: MERV 13 (only if your system supports it)
System Performance & Filter Selection
Most systems built within the last 10–15 years can. To be sure:
Review your HVAC manual or manufacturer’s site for the max MERV rating.
When in doubt, ask an HVAC technician — especially for older systems or high humidity areas.
Cheap fiberglass filters: Protect the system but barely clean the air.
Mid-tier pleated (MERV 8–11): Great balance of protection and airflow for most homes.
Premium (MERV 13+): Capture finer particles but may restrict airflow if your system isn’t rated for them.
It depends on your goals:
Balanced air + energy efficiency: MERV 8
Allergy & pet households: MERV 11
Sensitive air needs / mild virus capture: MERV 13 (if your system supports)
Only if you go above what your system can handle. Denser filters (too high MERV) can increase resistance, reduce airflow, and hurt efficiency. Stick with the max MERV your unit is rated for.
Wix is known for durable build quality, reliable airflow, and high dust-holding capacity — often lasting longer and fitting better than lower-cost generics.
Wix Filters is owned by MANN+HUMMEL, a global leader in filtration technology.
Both are reputable:
Wix: Heavy-duty, long-lasting, strong filtration.
Fram: Widely available and affordable; Wix generally edges ahead in durability.
Wix produces:
Automotive oil, air, cabin, and fuel filters
Industrial & heavy-duty filters
Some home HVAC filters under partner or private labels