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Actual Size: 9.5x24.5x1"
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: 9.5x24.5x1"
Free Delivery Factory-Direct Low Prices, Made in the USAHassle-Free Returns & Free ExchangesRESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months
Actual Size: 9.5x24.5x1"
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: 9.5x24.5x1" in → 10x25x1 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 | 10 x 25 x 1 inches |
| Actual Size | 9.5 x 24.5 x 1" 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 |
At Filterbuy, we’ve seen firsthand how the right air filter can transform a home’s air quality. That’s why our 10x25x1 MERV 13 HVAC & furnace air filters are engineered not just to meet—but to exceed—industry standards. Unlike generic filters, ours are American-made with high-capacity pleats and moisture-resistant frames, ensuring optimal airflow and superior filtration of allergens, fine dust, smoke, and bacteria. Based on years of customer feedback and in-house testing, these filters deliver hospital-grade protection tailored for residential systems. If you’re serious about creating a healthier indoor environment, this is where it starts.
High filtration power: MERV 13 filters capture up to 98% of airborne particles, including allergens and bacteria.
Durable and USA-made: Filterbuy’s 10x25x1 filters are moisture-resistant and built for long-lasting use.
Scientifically proven: EPA and AirNow research show MERV 13 filters reduce indoor particles by up to 95%.
Real-life results: Customers report cleaner air in homes with pets, allergies, or smoke.
Easy to get and use: Order directly, get free shipping, and enjoy auto-delivery options.
In case of the security of the air quality in your house, Filterbuy 10x25x1 MERV 13 air filters are powerful and reliable. To fit the normal HVAC and furnace systems, these filters trap up to 98 percent of airborne particles such as dust, pollen, mold spores, smoke and even microscopic bacteria.
Constructed in the USA of industrial grade, electrostatically charged synthetic media, each filter provides maximum airflow and, at the same time, does not overwork your system. The strong moisture-proof frames and the reinforced pleats prolong the life span and effectiveness of the filter, which is a clever and economically viable addition to health-conscious homes.
Whether you have allergy sufferers in the home or just want cleaner and healthier air, our MERV 13 filters are constructed to perform more than adequately in both strength and filtering ability.
“After years of helping homeowners improve their indoor air quality, we’ve found that MERV 13 filters strike the perfect balance between advanced filtration and system efficiency. Our 10x25x1 filters are engineered based on real-world feedback and rigorous in-house testing to handle everything from seasonal allergens to fine particulate matter—because clean air shouldn’t be a luxury.”
We’ve tested our MERV 13 filters in real homes and reviewed extensive research. Here's what sets them apart:
Traps ≥ 50% of 0.3–1 μm particles (e.g., smoke, bacteria).
Outperforms MERV 11 (only ~20% efficient).
Based on EPA research. 🔗 EPA.gov
Catches 85% of 1–3 μm particles (pet dander, fine dust).
Captures 90% of 3–10 μm particles (pollen, mold spores).
Ideal for allergy-prone households. 🔗 EPA.gov – Technical Bulletin
Reduces airborne particles by up to 95%.
Especially effective when upgrading from MERV 1–4 filters.
Supports healthier breathing in sensitive environments. 🔗 AirNow.gov
Cleaner indoor air starts with choosing the right filter—and MERV 13 is the smart upgrade.
Proven Performance: Captures fine particles that MERV 8 and below miss.
Built for Homes: Our 10x25x1 MERV 13 filters balance efficiency and airflow.
Made in the USA: Durable, high-quality construction backed by years of in-field testing.
Allergy-prone customers report noticeable relief.
Homes with pets and smokers see cleaner air in days.
Filters last longer than standard retail options when replaced on schedule.
If you want a filter that actually makes a difference, this is it.It's more than just dust control—it’s an investment in your health and comfort.
Check Your Filter Size
Confirm that 10x25x1 fits your HVAC or furnace.
Look at your current filter or system manual.
Choose MERV 13
Captures allergens, smoke, and bacteria.
Ideal for homes with pets, allergies, or poor air quality.
Buy from Filterbuy
Factory-direct pricing and free shipping.
Made in the USA. Auto-delivery available.
Install & Breathe Better
Swap out the old filter.
Feel the difference in air quality within days.
MERV 13 is a high-efficiency rating that means the filter captures up to 98% of airborne particles, including dust, pollen, mold, smoke, and even some bacteria. It's ideal for improving indoor air quality in homes.
Yes, if your current filter size is 10x25x1. Always double-check the dimensions printed on your existing filter or in your HVAC system’s manual to ensure compatibility.
Typically every 60–90 days. However, if you have pets, allergies, or live in a high-pollution area, monthly replacement may be best for optimal performance.
Not in most cases. Filterbuy’s MERV 13 filters are designed for residential HVAC systems and provide strong filtration without restricting airflow when replaced regularly.
Ours are made in the USA using industrial-grade materials, electrostatically charged synthetic media, and moisture-resistant frames for longer life and better filtration.
