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Actual Size: 17.25x29.25x1"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 17.25x29.25x1"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 17.25x29.25x1"
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: 17.25x29.25x1" in → 17.25x29.25x1 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 29.25 x 1 inches |
| Actual Size | 17.25 x 29.25 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, we’re not just in the business of making filters—we’re on a mission to build better air for every home. After manufacturing millions of filters right here in the USA, we’ve seen how even small design details can make a big difference in the air your family breathes. That’s why our 17.25x29.25x1 MERV 13 HVAC and furnace filters are engineered with premium synthetic media and reinforced frames that stand up to humidity, pressure, and time—long after others give out.
Each filter captures up to 98% of microscopic particles—including wildfire smoke, fine dust, pet dander, mold spores, and even bacteria—without restricting airflow or overworking your system. Our in-house testing confirms it: reliable efficiency, durable construction, and real results you’ll notice in just one replacement cycle.
When you choose FilterBuy, you’re teaming up with air-quality experts obsessed with protection—not just for your HVAC, but for the people and places that matter most. Because for us, clean air isn’t just a product feature—it’s a promise we manufacture into every filter.
Captures What You Can’t See: Our MERV 13 filters trap up to 98% of microscopic particles — including smoke, bacteria, pet dander, and allergens — so the air you breathe is measurably cleaner and healthier.
Backed by Trusted Research: Studies from the EPA, ASHRAE, and CDC confirm that MERV 13 filtration significantly improves indoor air quality by reducing airborne contaminants and disease-carrying particles.
Built to Last — Made in the USA: Each filter is manufactured in our U.S. facilities with reinforced frames and high-capacity synthetic media to withstand humidity, air pressure, and daily use without bending or collapsing.
Results You Can Feel: Homeowners report cleaner air, fewer allergy symptoms, and quieter HVAC performance within days of upgrading to Filterbuy MERV 13 filters.
Maintenance That Protects: Replace your filters every 1–3 months to keep your system efficient and your air at peak quality — especially if you have pets, allergies, or live near pollution sources.
When it comes to protecting your family and home from harmful airborne particles, understanding MERV ratings is essential. MERV, or Minimum Efficiency Reporting Value, tells you how effectively an air filter captures particles of different sizes. MERV ratings range from 1 to 20, with higher numbers indicating better filtration efficiency.
Why MERV Ratings Matter:
MERV standards categorize filters based on their ability to trap dust, pollen, mold spores, and even smoke and bacteria. A MERV 13 filter is designed to capture particles as small as 0.3 microns, making it one of the most effective filters for improving indoor air quality—especially if you're dealing with airborne allergens or pollutants.
MERV 13 filters offer a higher level of protection for your home’s air quality. These filters not only capture dust, pollen, pet dander, and mold spores, but they also help maintain the efficiency of your HVAC system. Here's why they’re the right choice for homeowners who want to breathe easier:
Key Benefits of MERV 13 Filters:
Improved Air Quality: MERV 13 filters trap allergens and harmful particles, making your home more comfortable and helping allergy sufferers breathe easier.
Enhanced HVAC Performance: By trapping more particles, these filters keep your HVAC system running efficiently, which may even help lower energy costs over time.
Extended Equipment Lifespan: Cleaner air means less strain on your heating and cooling systems, helping them last longer and saving you money on repairs.
When you invest in a MERV 13 filter, you're making a smart choice to protect your home's air and ensure a healthier, more comfortable environment for your family.
Picking the right size air filter is crucial for your HVAC system to work at its best. An incorrect filter can affect your system’s performance, and might even cause damage. Here’s how to make sure you’re choosing the right one:
Simple Steps to Find the Right Size:
Measure the Slot: Use a tape measure to get the exact dimensions of your filter slot.
Check Compatibility: Make sure the filter fits snugly, without gaps. Loose filters can allow unfiltered air to bypass the filter, reducing its effectiveness.
Refer to Your HVAC Manual: Always consult your HVAC system’s manual for recommended filter sizes.
Consider Your Needs: Think about how often you’ll need to change your filter and your specific air quality needs.
To get the most out of your HVAC system, regular maintenance is key. One of the easiest ways to keep your system running smoothly is through regular filter replacements. Here’s why:
Replace Your Filters Every 1–3 Months: Clean filters prevent dust and allergens from circulating throughout your home. Replacing or cleaning your filters regularly ensures your system remains efficient, avoiding higher energy bills and premature breakdowns.
Check Coils and Drain Lines: Regularly check your system’s coils and drain lines for cleanliness to promote proper airflow.
Annual Professional Maintenance: A yearly professional checkup helps catch any potential issues before they become costly problems.
By staying on top of these maintenance tasks, your HVAC system will stay in top shape, keeping your home comfortable and your energy bills manageable.
Don’t just take our word for it—our customers are seeing real results with MERV 13 filters. Here’s what they’re saying:
Reduced Allergies: Many homeowners have experienced fewer allergy symptoms thanks to MERV 13 filters’ ability to trap dust and pollen effectively.
Enhanced HVAC Performance: Customers have noticed that their HVAC systems run more efficiently, saving them money on energy bills.
Cleaner Air: Indoor air quality has significantly improved, making homes feel healthier and more comfortable.
Longer Filter Lifespan: Users appreciate the long-lasting durability of MERV 13 filters, providing excellent filtration over time.
Ready to experience the benefits of cleaner, healthier air? Make the switch to MERV 13 filters today and feel the difference!

"After testing millions of filters in homes across the U.S., we’ve learned that clean air isn’t just a luxury—it’s essential for a healthier, more comfortable life. Every MERV 13 filter we craft is backed by decades of hands-on experience and real-world insights. One thing is clear: when you protect your air, you protect your family, your home, and everything you care about most."
At FilterBuy, we don’t just test filters — we live by the results. Our real‑world experience combined with national research confirms the effectiveness of MERV 13 filtration. Here’s the proof:
1. High‑Efficiency Filtration Works
According to the U.S. Environmental Protection Agency (EPA), “a true high‑efficiency filter (MERV 13‑16) can reduce indoor particles by as much as 95 percent.” US EPA In our own testing, homes using FilterBuy MERV 13 filters showed visible reductions in dust, dander, and smoke after just one replacement cycle. Real homes, real results — cleaner air in days, not weeks.
2. Industry Standards Confirm It
The American Society of Heating, Refrigerating and Air‑Conditioning Engineers (ASHRAE) “currently recommends using a minimum MERV 13 filter” for capturing fine particles, bacteria, and smoke. ASHRAE At FilterBuy, we treat MERV 13 as the baseline, not the goal. Every FilterBuy MERV 13 filter is engineered for maximum capture + balanced airflow, so clean air and comfort go hand‑in‑hand.
3. Health Protection That Matters
The Centers for Disease Control and Prevention (CDC) recommends upgrading to MERV 13 or better when enhanced outdoor air delivery is limited. CDC Customers report fewer allergy flare‑ups and cleaner‑smelling air within days of switching. We’ve seen this firsthand — especially during wildfire season and peak allergy months.
After manufacturing millions of air filters in our U.S.-based facilities, one thing is clear: Air quality is the invisible foundation of a healthy home. You can’t always see it — but you can feel it in:
Every breath you take.
Every restful night’s sleep.
Every moment your family spends indoors.
What We’ve Learned Firsthand
Through years of engineering and testing, we’ve learned that:
Not all filters are created equal.
A high-quality MERV 13 filter doesn’t just trap particles — it transforms your air.
Cleaner air means a healthier home.
MERV 13 filters capture smoke, allergens, and microscopic dust without restricting airflow.
Small design differences make a big impact.
Reinforced frames and synthetic media help our filters last longer and perform consistently.
What Homeowners Experience
Here’s what homeowners experience after switching to MERV 13 filters:
Noticeably cleaner air within days.
Fewer allergy flare-ups and lingering odors.
Quieter, more efficient HVAC performance.
These aren’t just claims — they’re real results we’ve seen in homes across America.
What the Experts Confirm
We’re not just speaking from our experience — the experts back us up:
EPA: High-efficiency filters can remove up to 95% of airborne particles (EPA Indoor Air Filtration Factsheet)
ASHRAE: Recommends MERV 13 or higher for effective filtration (ASHRAE Filtration & Disinfection FAQ)
CDC: Supports upgrading to MERV 13+ for better indoor air health (CDC Ventilation & Air Cleanliness Guidance)
These align perfectly with what our in-house data proves every day.
Our Opinion
Clean air shouldn’t be a luxury — it’s a responsibility. At FilterBuy, we don’t just meet standards — we raise them.
Because the air in your home isn’t just background—it’s the environment where your family lives, grows, and thrives. And we believe it deserves the very best protection.
Improving your air quality and protecting your HVAC system is simple. Follow these easy steps to get started:
1. Confirm Your Filter Size
Check your current filter for the size printed on the frame (e.g., 17.25x29.25x1).
Measure the slot to ensure a snug, gap-free fit for maximum efficiency.
2. Choose the Right Filter
For optimal protection against smoke, allergens, and bacteria, choose a MERV 13 filter.
Need help choosing the right one? Use our Filter Finder Tool or compare bundle sizes for added convenience.
3. Replace Regularly
To maintain clean air and system performance, change your filter every 1–3 months based on usage and air quality.
Set reminders or enroll in Auto-Delivery so you never miss a replacement.
4. Monitor Your Air
Notice cleaner air with less dust and improved air quality.
Pair your filter with an indoor air-quality monitor for real-time feedback on your air.
5. Order with Confidence
Enjoy fast, free shipping direct from our U.S. factory.
Trust the FilterBuy experts — we build every filter like it’s for our own home.
For most residential HVAC systems, MERV 8–13 is the sweet spot. These filters strike a balance between filtration efficiency and airflow, providing excellent protection without overworking your system.
Yes, MERV 13 filters are an excellent choice for improving indoor air quality. They effectively capture fine particles such as smoke, bacteria, and allergens, making them ideal for homes looking to enhance air quality and reduce allergy symptoms.
MERV 8: Good for basic dust and pollen.
MERV 11: A step up, capturing pet dander and mold spores.
MERV 13: Best for fine particles like smoke, bacteria, and viruses.
Choose based on your specific air quality needs and system capacity.
Under average conditions, a MERV 13 filter lasts up to 3 months. In homes with high usage, pets, or dusty environments, you may need to replace it every 1–2 months for optimal performance.
For most residential HVAC systems, a MERV 11 or 13 pleated filter offers the best combination of efficiency, airflow, and system protection.
No, MERV 5 filters have low resistance, meaning they don’t restrict airflow. However, they don’t effectively capture fine particles, so they are best suited for minimal filtration needs.
Most modern residential HVAC systems can handle a MERV 13 filter, especially if the unit is well-maintained and the ductwork is properly sized. For older systems, it's a good idea to have them evaluated to ensure adequate airflow.
Yes. Filters rated higher than MERV 13 may restrict airflow in standard residential systems, which could put strain on your blower motor and reduce system efficiency.
Yes. MERV 13 filters are highly effective at capturing smoke particles down to 0.3 microns, making them an ideal choice during wildfire season or in areas with urban pollution.
Filtrete's 1900, 2200, and 2800 series filters offer MERV 13 performance levels.
Pleated filters are better. They offer more surface area, allowing them to trap finer particles and last longer than flat, non-pleated filters.
HEPA filters capture up to 99.97% of particles, but they can restrict airflow and often require special systems. For most standard residential HVAC units, MERV 13 is the best high-efficiency option, providing excellent filtration without restricting airflow.