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Actual Size: 23.5x29.5x0.75"
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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: 23.5x29.5x0.75"
Free Delivery Factory-Direct Low Prices, Made in the USAHassle-Free Returns & Free ExchangesRESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months
Actual Size: 23.5x29.5x0.75"
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: 23.5x29.5x0.75" in → 24x30x1 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
Comparable to:FPR: 10
MPR: 1900-2800
Dust & DebrisDust Mites & ParticlesPollenMoldLintDanderSmoke & 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 | 24 x 30 x 1 inches |
| Actual Size | 23.5 x 29.5 x 0.75" 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 |
Tired of air filters that don’t last or truly clean your home's air? At Filterbuy.com, we design and manufacture our 24x30x1 MERV 13 air filters with one goal: to exceed industry standards and homeowner expectations. Based on years of experience producing millions of filters in our U.S. facilities, we’ve engineered each one to trap up to 98% of harmful particles—without restricting airflow. Our MERV 13 filters offer the same hospital-grade filtration trusted by professionals, now made accessible for your home. Built to last, shipped fast, and crafted by a family-owned company that knows air quality inside and out.
Captures 98% of dust, allergens, and bacteria.
Durable, USA-made, moisture-resistant design.
Meets ASHRAE and CDC air quality standards.
Easy ordering and tool-free installation.
Trusted by thousands of satisfied customers.
The air filters in our 24x30x1 air filters with MERV 13 are equipped to provide advanced filtration to people who have a preference towards the quality of the indoor air. These filters remove 98 percent of airborne contaminants, including allergens, mold spores, pet dander, smoke, in addition to bacteria since they are produced using electrostatically charged and pleated synthetic media. The use of such a filter means that it is perfect for allergy patients and pet owners.
Unlike the puny fiberglass, our filters are able to withstand the pressure because they are designed in the USA with industrial grades and moisture-resistant frames- they do not bend or collapse! The filters are designed to disperse air at the most efficient levels without overwhelming the HVAC system to allow it to work well and more efficiently.
Do you want to start using more effective MERV 13 filters or replace your old ones? Our MERV 13 items are effective and reliable ones that can be shipped quickly, especially when ordered in bulk.
“After years of manufacturing high-efficiency filters in our U.S. facilities, we’ve seen firsthand how a well-built MERV 13 filter can dramatically improve indoor air quality. Our 24x30x1 filters are engineered not just to meet industry standards—but to outperform them—offering homeowners hospital-grade protection with the durability and airflow balance their HVAC systems need.”
We’ve worked with thousands of homeowners who’ve seen big improvements in air quality using our MERV 13 filters. Here's why they matter—supported by real-world results and trusted research:
EPA reports indoor air can be 2–5x more polluted than outdoors.
Common pollutants: dust, pet dander, smoke, mold.
Our filters help block these particles before they circulate. 🔗 epa.gov
Recommended by ASHRAE for virus, allergen, and dust control.
Captures particles as small as 0.3 microns.
Balanced airflow + high filtration = better HVAC performance. 🔗 ashrae.org
CDC links allergens like mold and dander to asthma & allergy flare-ups.
Many of our customers report fewer symptoms after switching to MERV 13.
Ideal for families, pet owners, and those with respiratory concerns. 🔗 cdc.gov
Choosing a home air filter is about more than just size—it’s about health, efficiency, and long-term comfort.
MERV 13 filters make a visible difference in air quality.
Homeowners report fewer allergy symptoms and cleaner HVAC systems.
Premium filtration doesn't need to come with a premium price tag.
Hospital-grade performance for everyday households.
Built in the USA for quality you can count on.
Fast shipping and easy replacement—no hassle.
If you're looking for a simple upgrade that protects your family and boosts your HVAC performance, this is it. We’ve seen the impact firsthand—and we stand by it.
Follow these simple steps to get started with Filterbuy’s 24x30x1 MERV 13 filters:
Select Your Quantity
Choose how many filters you need.
Save more with multi-packs.
Set Up Auto Delivery (Optional)
Subscribe for regular replacements.
Pick a schedule that works for you.
Add to Cart & Checkout
Enjoy fast, secure checkout.
Free U.S. shipping on most orders.
Replace Your Filter
Easy, tool-free installation.
Notice cleaner air right away.
Stay Informed
Sign up for filter reminders and tips.
Join thousands who trust Filterbuy.
MERV 13 is a high-efficiency filtration rating that captures up to 98% of airborne particles, including dust, pollen, pet dander, mold spores, smoke, and even some bacteria and viruses.
For best performance, replace it every 60 to 90 days. If you have pets, allergies, or poor air quality, consider changing it every 30 to 60 days.
Yes. MERV 13 filters are safe for most residential systems. They offer strong filtration without significantly restricting airflow, but always check your HVAC system's specs to confirm compatibility.
You get cleaner indoor air, reduced allergy and asthma triggers, improved HVAC efficiency, and protection against harmful particles—including fine dust and microorganisms.
Yes. All Filterbuy MERV 13 filters are proudly manufactured in the USA with high-quality, industrial-grade materials designed for durability and optimal performance.
