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Actual Size: 6 7/8" x 15 7/8" x 3/4"
Free Delivery 
Factory-Direct Low Prices, Made in the USA
Hassle-Free Returns & Free Exchanges
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months
Actual Size: 6 7/8" x 15 7/8" x 3/4"
Free Delivery Factory-Direct Low Prices, Made in the USAHassle-Free Returns & Free ExchangesRESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months
Actual Size: 6 7/8" x 15 7/8" x 3/4"
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: 6 7/8" x 15 7/8" x 3/4" in → 6.88x15.88x1 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 | 6.88 x 15.88 x 1 inches |
| Actual Size | 6 7/8" x 15 7/8" x 3/4" 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 |
Need a reliable 6.88x15.88x1 MERV 11 air filter that truly performs? At Filterbuy, we don’t just sell filters—we manufacture them right here in the USA using high-quality, industrial-grade materials we’ve tested in real homes just like yours. Based on years of hands-on experience and feedback from thousands of customers, we’ve designed this filter to strike the perfect balance between airflow efficiency and advanced allergen capture. Whether you're battling seasonal pollen, pet dander, or household dust, our filters are engineered to last longer, perform better, and help protect both your HVAC system and your family’s health.
Captures 95% of particles. Improves air by filtering dust, pollen, and dander.
Made in the USA. Built for durability and exact fit.
Protects health & HVAC. Reduces allergies and lowers energy use by up to 15%.
Proven performance. Backed by EPA, DOE, and ALA research.
Easy to replace. Installs in seconds. Change every 90 days.
Filterbuy MERV 11 HVAC & furnace air filter 6.88x15.88x1 is exactly what homeowners need when they want to have excellent air filtration with no airflow limitations. This filter is specially designed to capture up to 95 percent of air particles, such as dust mites, molds, pollen, pet dander and smoke, thereby enhancing indoor air quality and promoting a healthier living condition.
Our filters are designed to last 3 months or more in the USA and they are built with high capacity pleated media, durable and moisture-resistant frames. Regardless of whether it is your current filter or an upgrade to get greater protection, this filter that fits your size and is a size-specific MERV 11 filter is a reliable product that fits your unit and works with professional-level dependability.
Choose Filterbuy for a hassle-free ordering experience, fast shipping, and filters made with firsthand manufacturing expertise and customer care.
“After years of working directly with HVAC professionals and listening to thousands of homeowner concerns, we developed this 6.88x15.88x1 MERV 11 filter to exceed industry standards for indoor air quality. Every material we use—from the electrostatically charged pleats to the moisture-resistant frame—is chosen based on real-world testing in homes just like yours. It’s not just about filtration—it’s about protecting your health and your HVAC system with every breath.”
At Filterbuy, we combine real-world experience with trusted research to deliver filters that truly make a difference.
Many customers are surprised at how quickly their filters fill up.
The EPA confirms indoor air is 2 to 5 times more polluted than outdoor air.
Our MERV 11 filters help trap harmful particles like dust, dander, and mold. 🔗 EPA – Indoor Air Quality
Customers often report fewer allergy symptoms after switching to our filters.
The American Lung Association links indoor pollutants to asthma and allergy flare-ups.
MERV 11 filters capture finer particles to protect vulnerable family members. 🔗 ALA – Indoor Air Pollutants
Users say their systems run smoother with regular filter changes.
The U.S. Department of Energy says clean filters can reduce energy use by up to 15%.
Our filters are designed for maximum airflow and system protection. 🔗 DOE – Maintaining Air Conditioners
Choosing the right HVAC filter isn't just routine—it’s essential for health, comfort, and home efficiency.
High performance: Captures up to 95% of airborne particles.
Precision fit: Sized exactly to 6.88x15.88x1 for optimal system compatibility.
Durability: Built to last up to 3 months under real-life home conditions.
Families report less dust and easier breathing.
Allergy sufferers notice improvements within weeks.
Systems run smoother and need fewer repairs with regular use.
At Filterbuy, we’ve tested, refined, and delivered filters to thousands of homes. We believe this MERV 11 model goes beyond standard filtration—it delivers cleaner air and real peace of mind.
✅ Smart choice for healthier living and system protection.
Follow these simple steps to get cleaner air fast:
Choose Quantity
Pick how many 6.88x15.88x1 MERV 11 filters you need.
Save more with multi-packs.
Order Online
Click “Add to Cart” and check out securely.
Enjoy fast, reliable shipping from Filterbuy.
Install Your Filter
Swap the old filter with your new one.
No tools needed—just slide it in.
Set a Reminder
Replace every 90 days for best results.
Add to your calendar or sign up for reminders.
It traps up to 95% of common airborne particles, including dust, pollen, pet dander, mold spores, and smoke—improving indoor air quality and protecting your HVAC system.
We recommend replacing it every 90 days. Homes with pets, allergies, or high dust levels may benefit from more frequent changes (every 30–60 days).
Yes. MERV 11 offers a strong balance of filtration efficiency and airflow. It’s ideal for households wanting better protection without overloading the HVAC system.
If your system requires a 6.88x15.88x1 filter, this is a perfect fit. Always check your old filter or user manual to confirm exact dimensions before ordering.
Our filters are American-made, moisture-resistant, and constructed with high-capacity pleated media for extended life and better airflow. We manufacture and test every filter ourselves to ensure quality and performance.
