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Actual Size: 17.25x23.25x1"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 17.25x23.25x1"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 17.25x23.25x1"
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: 17.25x23.25x1" in → 17.25x23.25x1 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 | 17.25 x 23.25 x 1 inches |
| Actual Size | 17.25 x 23.25 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, clean air isn’t just our business — it’s our obsession. Every 17.25x23.25x1 MERV 8 HVAC & furnace air filter we build is crafted with the same precision and care we use to protect our own families. Backed by over a decade of American manufacturing expertise, this filter captures up to 90% of airborne particles — including dust, pollen, and household irritants — to help you breathe easier and keep your HVAC system running efficiently.
We’ve tested and refined every detail to strike the perfect balance between strong airflow and effective filtration. That means cleaner indoor air, fewer allergens, and a longer-lasting system — all without driving up energy costs.
Each filter is cut to precise dimensions, assembled by skilled technicians, and quality-checked in our Alabama facility before it ships to your home. Unlike mass-produced imports, we oversee every step from design to delivery to ensure performance you can trust.
When you choose FilterBuy, you’re choosing people who live and breathe clean air — experts who understand how small changes in filtration can make a big difference for your family’s comfort, health, and peace of mind.
MERV 8 filters capture up to 90% of common airborne particles — including dust, pollen, and pet dander — while maintaining strong airflow for optimal HVAC performance.
According to the EPA, your indoor air can be 2–5× more polluted than the air outside. The right filter helps make the invisible visible by removing what you can’t see but definitely breathe.
Proper filtration can boost HVAC efficiency by up to 15% and extend the life of your system — saving energy and reducing maintenance costs.
Every FilterBuy filter is American-made and individually quality-tested in our Alabama facility, ensuring reliable performance you can trust.
For the cleanest air and consistent protection, replace your filter every 1–3 months, depending on your home’s air quality and system usage.
The FilterBuy Difference: Filters built with precision, purpose, and pride — by air-obsessed experts who use them in their own homes, too.
When it comes to protecting your home’s air, understanding MERV ratings is the first step toward breathing cleaner, healthier air. MERV stands for Minimum Efficiency Reporting Value—a standardized scale that measures how effectively an air filter captures particles of different sizes.
The higher the MERV rating, the finer the filtration. But higher isn’t always better for every home. A MERV 8 filter strikes the perfect balance — powerful enough to trap up to 90% of dust, pollen, and household irritants while maintaining strong airflow to keep your HVAC system running efficiently.
At FilterBuy, we’ve tested countless materials and configurations in our own manufacturing facility. The result: filters that not only meet industry standards but exceed them in real-world performance. Choosing the right MERV rating means fewer allergens, less strain on your system, and a healthier environment for your family.
A MERV 8 filter is the everyday hero of home air quality — strong enough to capture the most common airborne contaminants without restricting airflow. Here’s how it makes a difference:
Cleaner, Healthier Air: Captures dust, pollen, lint, and pet dander that would otherwise circulate through your home.
Improved HVAC Efficiency: Keeps your system cleaner and running smoother, often improving efficiency by up to 15%.
Longer System Lifespan: Prevents buildup on coils and fans, reducing wear and costly repairs.
Energy Savings: A cleaner system uses less energy to move air — lowering your monthly bills.
Every FilterBuy filter is American-made, precision-cut, and quality-tested in our Alabama facility, so you can trust that it performs exactly as promised.
Choosing the right air filter doesn’t have to be complicated — especially when you know what matters most:
Check Your MERV Rating: For most homes, MERV 8 is ideal for capturing everyday pollutants without overworking your system.
Confirm the Correct Size: Your current filter’s dimensions are printed on the frame — match these exactly for a proper fit and performance.
Consider Your Home’s Needs:
Pets or allergies? Upgrade to a higher MERV for finer filtration.
Minimal dust or smaller systems? MERV 8 keeps airflow strong and efficient.
Know Your Options: Pleated filters offer the best balance of longevity and performance for most HVAC systems.
At FilterBuy, we make it simple to choose confidently — with filters for every size, system, and situation.
Breathing better air should be effortless — and at Filterbuy.com, it is. Our online store is designed to help you find and order your exact 17.25x23.25x1 MERV 8 filter in just a few clicks.
Browse by size, MERV rating, or system type.
Enjoy secure checkout with fast, reliable shipping straight from our Alabama facility.
Receive instant order confirmation and shipping updates — so you always know when cleaner air is on its way.
Busy schedule? Set up Auto-Delivery to get replacement filters on time, every time — because consistency is key to clean air.
Your HVAC system works hard every day — keeping it clean ensures it can keep protecting your family. Follow these expert tips from our FilterBuy engineers:
Replace your filter every 1–3 months. A clean filter keeps airflow steady and your system efficient.
Clean your coils. Dust-free evaporator and condenser coils help maintain cooling performance.
Inspect your ducts. Seal leaks and clear blockages to prevent wasted energy and uneven airflow.
Schedule professional maintenance annually. Regular checkups catch small issues before they become big repairs.
Remember: maintaining your HVAC system isn’t just about performance — it’s about protecting the air your family breathes every day.
The FilterBuy Difference
We don’t just manufacture filters — we live and breathe air quality. Every filter is made with precision, purpose, and pride by people who use them in their own homes. When you choose FilterBuy, you’re not just buying a filter — you’re investing in Better Air for All.

“At FilterBuy, we’ve spent decades perfecting the balance between airflow and filtration because we’ve seen what a clean filter can truly do — from quieter, longer-lasting HVAC systems to lower energy bills and healthier families. The right air filter doesn’t just capture particles — it transforms the way your home breathes, protecting your comfort, your system, and the people you love.”
At FilterBuy, we don’t just talk about clean air — we measure it, test it, and live it. Every filter we make is backed by real-world data, decades of American manufacturing experience, and insights from helping millions of homes breathe easier.
1. Indoor Air Quality Impacts Daily Life
Statistic: Americans spend 90% of their time indoors, where pollutant levels are often 2–5× higher than outdoor air. Source: U.S. Environmental Protection Agency (EPA) – Indoor Air Quality Overview
FilterBuy Insight: Our in-house testing confirms it — homes with older or clogged filters show visible dust buildup on coils and vents, reducing air quality and efficiency. That’s why our MERV 8 filters use high-efficiency pleats to trap up to 90% of airborne particles while keeping airflow strong.
Cleaner filters mean cleaner air, healthier families, and longer-lasting HVAC systems.
2. Upgrading Filters Improves Air Quality
Statistic: The EPA reports that upgrading your HVAC or furnace filter significantly improves indoor air quality and reduces airborne contaminants. Source: EPA – Guide to Air Cleaners in the Home
FilterBuy Insight: We’ve helped thousands of homeowners switch from thin fiberglass filters to pleated MERV 8 filters, with results that are easy to see — and breathe:
Less visible dust throughout the home
Fewer allergy symptoms reported by families
Cleaner blower compartments and improved airflow
Our experience — and our data — show that better filtration creates a measurable difference in both comfort and HVAC performance.
3. MERV 8 Filters Capture What Matters Most
Statistic: MERV 8 filters capture ≥70% of particles between 3.0–10.0 μm and ≥20% of particles between 1.0–3.0 μm, including dust, pollen, and pet dander. Source: EPA – What Is a MERV Rating?
FilterBuy Insight: Every FilterBuy MERV 8 filter is tested to meet — and often exceed — these standards. Our engineers fine-tune pleat geometry and media density for the perfect balance of airflow and filtration precision.
Each filter leaving our Alabama facility is one we’d proudly use in our own homes — because when it comes to clean air, we build what we believe in.
Clean air isn’t a luxury — it’s a necessity.
After decades of hands-on testing, engineering, and real-world feedback, we’ve seen how cleaner air transforms daily life — from the way your HVAC system runs to the way your family feels.
Real data meets real experience:
EPA research confirms that improved filtration leads to cleaner, healthier indoor air.
Our field tests show it every day — less visible dust, fewer allergens, and longer system lifespans.
What the numbers prove, we witness firsthand in homes across the country.
Why FilterBuy Does It Differently
Precision Manufacturing - Every FilterBuy filter is engineered, cut, and assembled in our Alabama facility, where our team ensures each filter meets exacting standards for fit and performance.
Purposeful Design - We’ve perfected the balance between airflow and filtration, creating filters that protect your home’s air without putting extra strain on your HVAC system.
Pride in Craftsmanship - We use the same filters we build — because we trust them to protect our own families. Every product we ship carries the same promise: filters made by people who live and breathe clean air.
Our Opinion
The best air filters don’t just meet MERV ratings — they meet real needs. They’re built by people who understand airflow, value clean air, and care deeply about protecting families as much as you do.
The FilterBuy Difference
At FilterBuy, we believe clean air changes everything. That’s why every filter we make combines precision, purpose, and pride — delivering Better Air for All, one home at a time.
You don’t have to overhaul your home to improve your air quality — just start with your filter. Follow these simple, expert-backed steps to create cleaner, healthier air today.
1. Find Your Filter Size
Check your current filter’s frame for its dimensions (for example, 17.25x23.25x1). Then, use our Filter Size Selector to match your exact size and fit.
Need help? Chat with a FilterBuy air quality expert anytime — we’re here to guide you.
2. Choose Your MERV Rating
Each MERV level provides a different balance of airflow and filtration power:
MERV 8: Everyday protection — ideal for dust, pollen, and standard air quality.
MERV 11: Enhanced protection — great for households with pets or mild allergies.
MERV 13: Maximum protection — best for sensitive environments and the cleanest air possible.
Not sure which to choose? Explore our MERV Rating Guide for clear, expert recommendations.
3. Order & Maintain
Add your chosen filters to your cart and check out securely at Filterbuy.
For consistent performance and healthier air:
Replace your filters every 1–3 months, depending on your home’s air quality and usage.
Set up Auto-Delivery to receive fresh filters right when you need them — no guesswork, no missed changes.
Pro Tip: Consistent filter maintenance can reduce HVAC strain, cut energy costs, and keep your family breathing cleaner, safer air year-round.
Yes. A MERV 8 filter is an excellent choice for most homes. It effectively captures up to 90% of common airborne particles like dust, pollen, and pet dander — all while maintaining strong airflow. It’s the perfect balance between clean air and efficient system performance.
For most residential systems, MERV 8–11 offers the ideal balance of airflow and filtration. If you have allergies, pets, or higher air quality needs, a MERV 11 or 13 may be best — as long as your system is rated for higher resistance filters.
We recommend replacing your filter every 1–3 months, depending on your home’s conditions. Homes with pets, high dust, or frequent HVAC use may need more frequent changes. Check monthly and replace if the filter looks dirty or airflow feels reduced.
Absolutely. A MERV 8 filter captures the majority of visible dust and larger airborne particles, helping reduce allergens and improve indoor comfort. You’ll notice less dust on surfaces — and cleaner, fresher air for your family to breathe.
Yes, if your system isn’t built for it. Very high MERV filters (13–16+) can restrict airflow in systems not designed for dense filtration. This may lead to higher energy use or motor strain. Always check your HVAC specifications or ask a FilterBuy expert before upgrading.
The best filter is one that fits your system’s specifications and your lifestyle.
MERV 8: Everyday protection — ideal for most homes.
MERV 11: Enhanced protection — great for homes with pets or mild allergies.
MERV 13: Maximum protection — best for sensitive environments or those wanting hospital-grade filtration.
Not at all. MERV 8 filters are designed to maintain excellent airflow while trapping harmful particles. It’s a safe, efficient choice for nearly all standard residential systems.
Not immediately — but over time, yes. Higher-quality filters keep your HVAC system cleaner, helping it run more efficiently and last longer. This can reduce maintenance costs and extend your system’s lifespan.
Typically between 0.1–0.3 inches of water column (in. w.c.), depending on your system and airflow. That’s considered low resistance, which means your system can breathe easily while filtering effectively.
A dirty filter restricts airflow — forcing your system to work harder. This leads to higher energy bills, reduced cooling, and even potential damage to your unit. Regular replacements are one of the easiest ways to protect your investment and your air quality.
Generally, yes. Premium filters often use denser, pleated materials that hold more particles and maintain efficiency longer. Even so, they should still be replaced every 2–3 months for peak performance.
Indirectly, yes. A clean filter improves airflow, allowing the system’s coils to cool air more efficiently. You’ll experience stronger airflow, better cooling, and improved comfort throughout your home.
Clean air doesn’t happen by accident — it’s engineered. Every FilterBuy filter is designed, built, and tested in our Alabama facility, backed by decades of manufacturing experience and millions of satisfied customers. When you choose FilterBuy, you’re choosing better air, built by experts who use it too.