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Actual Size: 13 3/8" x 23 3/8" x 3/4"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 13 3/8" x 23 3/8" x 3/4"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 13 3/8" x 23 3/8" x 3/4"
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: 13 3/8" x 23 3/8" x 3/4" in → 14x24x1 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
Comparable to:FPR: 10
MPR: 1900-2800
Dust & Debris
Dust Mites & Particles
Pollen
Mold
Lint
Dander
Smoke & Smog
Odors
































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 24 x 1 inches |
| Actual Size | 13 3/8" x 23 3/8" x 3/4" inches |
| Filter Type | Pleated |
| Media | Electrostatically Charged |
| Frame | Beverage Board |
| MERV Ratings Available | 8, 11, 13, Carbon |
| Lifespan | Up to 90 Days |
| Origin | Made in USA |
Struggling with indoor air that's never quite clean, no matter how often you change your filter? At Filterbuy.com, we’ve seen it firsthand: not all filters are created equal. That’s why our 14x24x1 MERV 13 HVAC & Furnace Air Filters are engineered, tested, and trusted by homeowners and HVAC professionals who demand more than just “good enough.”
Crafted in the USA using high-capacity pleated media and electrostatically charged fibers, these filters are built to outperform off-the-shelf options by capturing up to 98% of airborne pollutants, including fine dust, wildfire smoke, mold spores, and pet dander. Unlike generic filters that quickly clog and underperform, ours are precision-cut to ensure a perfect fit and optimized airflow—something we've refined through decades of direct customer feedback and in-house quality testing.
When you choose Filterbuy, you're not just buying a filter—you’re investing in a cleaner, safer home environment, backed by real-world results, factory-direct reliability, and the kind of support only a family-owned American manufacturer can deliver.
Filterbuy's 14x24x1 MERV 13 air filters are manufactured in the United States and engineered to capture up to 98% of airborne particles — including dust, pollen, pet dander, mold spores, and smoke — without restricting airflow in residential HVAC systems.
After manufacturing filters for over a decade and serving more than two million households, we've found MERV 13 to be the optimal rating for most homes: high enough to meaningfully improve indoor air quality, low enough to avoid the static pressure issues that higher-rated filters can cause in standard residential systems.
Why homeowners choose Filterbuy 14x24x1 MERV 13 filters:
American-made quality — produced in our own facilities with strict dimensional tolerances for a proper, gap-free fit
High-performance filtration — captures microscopic particles invisible to the naked eye, protecting your family and your HVAC equipment
Flexible subscription options — set a delivery schedule so you never forget a replacement
Consistent sizing — actual dimensions run slightly smaller than nominal (typically 13.5" x 23.5" x 0.75") to fit snugly without forcing
Recommended replacement interval: Every 60–90 days for average households; every 30–45 days in homes with pets, allergy sufferers, or high dust environments.
MERV 13 catches 98% of pollen, dust, smoke, and tiny particles from the air.
Designed in the USA with a high-efficiency, tight-fit construction.
Supported by professionals from the EPA, CDC, and ASHRAE.
Created using comments from users and the HVAC sector experience.
Speedy delivery + subscription for continuous air purification all year long.
The 14x24x1 MERV 13 filter is probably the most efficient air filter that a homeowner can get, which will not only retain the air quality indoors at a high level but will also not cause any problems with HVAC performance. This filter is designed to go beyond the standard filtration capacity and picks up 98% of the particles that float in the air and are as small as 0.3 microns, including allergens, bacteria, smoke, pet dander, and virus carriers, thus being perfect for families with allergy, pets, or health sensitivities.
Each filter is made in our United States facility of high-grade, industrial materials, and laser-cut frames that ensure a tight leak-free fit. The electrostatically charged pleated design increases the dust-holding capacity while still preserving good airflow, thus helping your HVAC system to work smoothly and to be durable.
At Filterbuy, we are basically distributors of our filters that have been tried and tested in the field so that you get a genuine product directly from the factory, which guarantees high and visible results. Buying from us implies that you always have cleaner air in your budget and with fast shipping, bulk savings, and automatic replacement reminders.

“After decades of working directly with HVAC professionals and homeowners across the country, we’ve seen how poor air quality impacts real lives. That’s why we engineered our 14x24x1 MERV 13 filters not just to meet standards, but to solve the issues people told us about: persistent allergens, lingering odors, and inefficient airflow. Every filter we ship reflects thousands of real conversations, in-house testing, and our commitment to making cleaner air accessible without compromise.”
We have been of service to a great number of homeowners and HVAC professionals to improve their air quality in the best possible way—and the scientific research confirms the things we witness each day: MERV 13 filters have a definite effect.
Traps allergens, bacteria, dust, smoke, and virus carriers
Ideal for households with asthma, allergies, or pets
Backed by the EPA’s recommendation for cleaner indoor air 🔗 EPA.gov
Helps reduce airborne virus transmission
Suggested for use in homes, schools, and care facilities
We saw a spike in demand after illness outbreaks—customers noticed cleaner, fresher air 🔗 CDC.gov
Trusted by HVAC engineers and building professionals
Balances strong filtration with system airflow efficiency
We follow ASHRAE standards in every Filterbuy design. 🔗 ASHRAE.org
Bottom line: MERV 13 isn’t just a number—it’s a proven standard we’ve seen protect families, support HVAC longevity, and deliver real indoor air quality improvements.
After over 20 years in the air filtration industry, here’s what we know for sure: Clean air changes lives—and the right filter makes all the difference.
Strikes the ideal balance: high-efficiency + airflow compatibility
Filters up to 98% of harmful particles
Compatible with most modern home HVAC systems
Allergy relief for families with pets or seasonal sensitivities
Cleaner air during wildfire season or high-smog days
Lower energy bills from less strain on HVAC systems
Positive customer feedback after noticeable air quality improvements
MERV 13 is the smart upgrade—better performance without overloading your system
It’s not just a filter—it’s protection, comfort, and peace of mind.
Built on real use cases, refined by customer insights, and manufactured with pride in the USA
Follow these simple steps to get the best air quality for your home:
Choose single, multi-pack, or bulk
Need help? Filter Sizing Guide
Make sure your HVAC supports MERV 13
Not sure? Contact Support
Get filters delivered on your schedule.
No more missed replacements
Fast, free U.S. shipping
Backed by a satisfaction guarantee
Enjoy fewer allergens, less dust, and better comfort.
Tell us how it’s working—we’d love your feedback.
MERV 13 filters trap up to 98% of airborne particles, including pollen, dust, smoke, mold spores, and virus carriers. This rating is recommended by the EPA and CDC for improved indoor air quality. Most modern residential HVAC systems can handle MERV 13, but it’s always best to check your system’s specifications.
For optimal performance, we recommend replacing the filter every 60 to 90 days. If you have pets, allergies, or live in a high-pollution area, changing it every 30 to 60 days may be more effective.
When properly sized and installed, a MERV 13 filter will maintain efficient airflow while offering superior filtration. Filterbuy designs its filters to balance performance and pressure drop, ensuring your system runs smoothly without unnecessary strain.
Yes. Our filters are precisely cut to true dimensions that match your listed size. We also offer a sizing guide and support team to help confirm your measurements before ordering to ensure a snug, leak-free fit.
Filterbuy filters are made in the USA using high-quality materials, advanced pleated design, and electrostatically charged fibers. We manufacture directly and continuously refine our products based on customer feedback and field-tested results, ensuring long-term reliability and superior air quality.
Your family deserves cleaner air — and with Filterbuy's American-made 14x24x1 MERV 13 filters, protecting your home is as simple as a few clicks. Order today and discover why more than two million households trust Filterbuy to make the invisible visible.