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Actual Size: 19.25x23.25x0.75"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 19.25x23.25x0.75"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 19.25x23.25x0.75"
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: 19.25x23.25x0.75" in → 19.25x23.25x1 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 | 19.25 x 23.25 x 1 inches |
| Actual Size | 19.25 x 23.25 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 |
After manufacturing millions of filters right here in the USA, we’ve learned what truly separates an average air filter from one that transforms your home’s air quality. Our 19.25x23.25x1 MERV 13 HVAC & furnace air filters are engineered to capture the tiniest pollutants—dust, pollen, smoke, and microscopic allergens—without restricting airflow. Each filter is precision-built in our family-owned facility and tested for performance that lasts longer and protects your system better.
At Filterbuy, clean air isn’t a tagline—it’s our obsession. Every filter we make reflects over a decade of real-world experience helping homeowners like you enjoy fresher, safer air with less hassle.
MERV 13 = Full Coverage
Removes nearly 95% of airborne particles such as dust, pollen, and bacteria.
Maintains strong airflow for system efficiency.
Produced in the United States. Every 19.25x23.25x1 unit is made with precision and tested for performance.
Knowledge & Experience are the Basis
Along with EPA data, the findings in the field from millions of units support the product.
Small Investment, Great Result
Change it every 60–90 days to have cleaner air and an HVAC system working smoothly.
Clean Air Without Any Trouble
Get custom dimensions, convenient delivery, and free shipping anywhere in the U.S. from Filterbuy.
Many times, homeowners get confused with the word MERV 13; however, the concept behind it is very easy to understand. MERV or Minimum Efficiency Reporting Value is a rating recognized by an industry standard that evaluates the efficiency of an air filter. The higher the MERV rating a filter has, the more efficient it is in capturing airborne particles.
Filters with MERV 13 ratings can capture particles ranging from 0.3 to 1.0 microns in size, which consist of allergens, for instance, dust mite, pollen, and mold spores. Having such filters means great indoor air quality, as allergy and asthma sufferers' health conditions can improve dramatically. In addition to that, capable of trapping bacteria also are the MERV 13 filters.
In the context of MERV 13 filters, we localize our study to a specific size: 19.25x23.25x1 filters. A multitude of HVAC systems and furnaces are capable of accommodating this size, thereby ensuring the most efficient work resulting from a perfect fit.
These filters carry a MERV rating as high as 13, and thus, they are a promise of excellent air quality. The filters of this kind, which can capture particles even up to 0.3 microns in size, thus, are thus a perfect solution to get rid of the dust, pollen, mold spores, and even some allergy-causing substances present in the air of your house.
The top-notch materials that are used for the production of these filters resist the blockage of the air stream; as a result, the air flow is kept at the most favorable level, and the HVAC system is not overworked. This is done not only at the expense of lesser power consumption but also at the expense of a longer equipment life.
Without a doubt, the air filters of superior quality can be the reason why Filterbuy is differentiated as the best brand from the rest. As a major player in the market and a trendsetter in the industry, Filterbu has taken the step to preserve its good name by delivering high-quality products made in its own factory. The products are very bright in their design accuracy, which not only assures that the performance is at a maximum level and that the product is kept for a long time, but also reflects the company's commitment to product reliability.
The company is so great to its customers and always wants to make them happy. By delivering a simple online shopping experience, its user-friendly interface enables customers to get the exact filters they need without any trouble. If we were to talk about prices, the products of Filterbuy would be very enticing to customers, as the perfect balance between being affordable and of great quality is maintained.
Essentially, health benefits are the major outcomes of high-standard air filters such as those by Filterbuy. These benefits include those of the respiratory system, relief of allergy, and even the reduction of risks of certain long-term diseases.
One of the major health benefits from the use of using the best quality air filters is the significant improvement in the quality of air indoors. MERV 13 filters from Filterbuy are highly efficient in capturing a broad range of airborne particles that can be dust, pollen, mold spores, or pet dander. In particular, allergy sufferers benefit because they almost eliminate allergens in their homes, thereby providing them with great relief.
Besides allergy relief, these respiratory infection preventative devices also hold a key to the cause of respiratory diseases. Research has linked poor air quality to several health problems, such as asthma and chronic obstructive pulmonary disease (COPD). The use of air filters from Filterbuy to get rid of these harmful agents can go a long way in reducing such health risks, thus promoting the general health of the body.
Without doubt, if you want your MERV 13 HVAC air filters to give a good performance and have a longer lifespan, then they must be correctly installed and regularly maintained. The first step is to make sure that you have a filter of the right size. An incorrect size can cause the air to bypass the filter; hence, the air will not be purified effectively.
Besides getting the right filter, it is also good you turn off the HVAC system while installing the new one. Thus, dust will not be drawn into the system during the replacement of the filter. Always remember that the air flow direction should be followed at all times, which is most of the time indicated by arrows on the filter frame.
If you want to be able to replace your filters on time, then you should always check them, preferably every 2-3 months. Moreover, in areas that are heavily polluted or in houses with pets, you may want to do these checks every month. The reason is that gradually dust and other small particles accumulate on your filter, and this will decrease its functionality.
In case your filter is a reusable one, then regularly cleaning it is the best way to extend its life. Furthermore, these filters must be thoroughly dry before putting them back to avoid the growth of molds. Complying with these instructions concerning the installation and care of your filters will not only make your air cleaner but will also make your HVAC system more efficient.

“After manufacturing millions of filters and studying air quality data for over a decade, we’ve seen one thing proven time and again — the right filter doesn’t just clean your air, it transforms your home. Our MERV 13 filters are engineered from real-world experience to strike the perfect balance between powerful filtration, reliable airflow, and everyday peace of mind.”
Our experience manufacturing millions of U.S.-made filter lines up with what government research confirms—MERV 13 filters deliver measurable air quality improvements without sacrificing airflow.
1. EPA on Virus Filtration
Finding: The EPA recommends MERV 13 or higher filters to improve a system’s ability to remove airborne viruses.
Our insight: In real homes, MERV 13 filters consistently outperform lower ratings—capturing fine particles and virus carriers while maintaining efficient airflow.
2. AirNow on Particle Reduction
Finding: AirNow (EPA) reports that MERV 13–16 filters reduce indoor particles by up to 95%.
Our insight: We’ve seen similar results in customer homes—less dust, cleaner vents, and fewer allergy flare-ups within weeks of switching to our filters.
3. EPA Technical Summary on Efficiency
Finding: The EPA’s Residential Air Cleaners Summary confirms that high-efficiency furnace filters “substantially reduce airborne particles.”
Our insight: Each Filterbuy MERV 13 filter is tested for airflow and particle capture, ensuring real-world performance matches scientific results.
Bottom Line:
Research and real-world data agree—MERV 13 is the sweet spot for cleaner, healthier indoor air.
Filterbuy filters are precision-built and performance-tested to deliver the same proven results in your home.
After over a decade of building and testing millions of filters, we’ve learned that air quality isn’t just science—it’s personal. Every Filterbuy filter is shaped by real customer experiences and proven performance.
What We’ve Seen Firsthand
Homeowners who switch to our 19.25x23.25x1 MERV 13 filters report:
Less dust and cleaner surfaces
Easier breathing and fewer allergy symptoms
These results align with EPA-backed research on high-efficiency filtration.
Our Professional Insight
The best filter isn’t always the highest MERV rating—it’s the right balance of:
Filtration strength – captures microscopic particles like dust, dander, and bacteria.
Airflow efficiency – maintains steady system performance.
Longevity – supports cleaner air over time without overworking your HVAC.
Why It Matters
MERV 13 hits the sweet spot between health protection and system efficiency.
Each Filterbuy filter is precision-made, performance-tested, and backed by real-world data.
When you choose Filterbuy, you’re choosing more than a filter—you’re choosing cleaner, healthier air with zero hassle.
Take control of your home’s air quality with these simple steps:
Check Your Size
Confirm your filter is 19.25x23.25x1.
Look at your old filter’s frame or HVAC manual to verify.
Select Your Strength
Choose MERV 13 for superior allergen and particle protection.
Compare other MERV ratings if needed.
Order from Filterbuy
Shop USA-made filters with fast, free shipping.
Click or tap here to order now and get your filters factory-direct.
Install & Replace Regularly
Swap filters every 60–90 days for best performance.
Set reminders or use Auto-Delivery to stay on schedule.
Enjoy Cleaner Air
Notice fewer allergens, less dust, and smoother HVAC operation.
Relax knowing your home’s air is Filterbuy clean.
No. Most modern residential HVAC systems can handle MERV 13 filters if they’re properly maintained and the system is in good condition. It’s ideal for homes with allergies, pets, or concerns about air quality.
MERV 8–11 provides the best balance between good filtration and unrestricted airflow. It’s a safe range for most systems without stressing the blower motor.
Technicians commonly recommend Filterbuy, Honeywell, and 3M Filtrete for consistent quality, sizing accuracy, and reliable performance.
MERV 8: Everyday dust and lint.
MERV 11: Pollen, pet dander, mild allergies.
MERV 13: Smoke, bacteria, and fine particles — best for cleaner, healthier air.
Not if your system is well-maintained. As long as the filter fits correctly and is replaced regularly, a MERV 13 will not damage your AC or furnace.
Yes, if your system isn’t designed for it. Higher MERV ratings can restrict airflow slightly, which may reduce efficiency or strain older systems.
Match your MERV rating to your household needs (pets, allergies, smoke), confirm your filter size, and check your system’s specifications before upgrading.
No. MERV 8 is standard for residential HVAC systems and allows excellent airflow with basic dust and debris filtration.
HEPA filters capture more particles but are typically too restrictive for most residential HVAC systems. A MERV 13 offers the best practical protection without system modification.
A high-quality, properly sized MERV 13 pleated filter—such as those from Filterbuy—delivers strong filtration, airflow efficiency, and longevity.
Yes, when matched to your system. Premium filters last longer, capture finer particles, and can improve health and HVAC performance over time.
MERV 8 pleated filters are the most common in U.S. homes due to their affordability, solid airflow, and adequate dust control.