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Actual Size: 17.00x27.00x0.75"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 17.00x27.00x0.75"
RESIDENTIAL AND/OR COMMERCIAL USE
Change Every 3 Months





Actual Size: 17.00x27.00x0.75"
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: 17.00x27.00x0.75" in → 17x27x1 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 x 27 x 1 inches |
| Actual Size | 17.00 x 27.00 x 0.75" 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 |
Finding a 17x27x1 furnace filter that truly fits and performs shouldn’t be a guessing game. After manufacturing millions of filters right here in the USA, we’ve seen firsthand what separates a good filter from a great one. Our MERV 8 HVAC filters are precision-built to balance airflow and filtration—capturing household dust, pollen, and pet dander without putting extra strain on your system. At Filterbuy, every filter we ship reflects years of testing, customer feedback, and a simple promise: clean, efficient air made easy for every home.
MERV 8 = Best Balance – Strong filtration without restricting airflow.
Made in the USA – Precision-built and trusted by HVAC pros.
Replace Every 60–90 Days – Keeps air clean and systems efficient.
Higher isn’t Always Better – Over-filtration can strain your system.
Stay on Schedule – Use Filterbuy’s auto-delivery and reminders for hassle-free maintenance.
One of the main components of an HVAC system is a good air filtration system. A MERV 8 rating is especially important in this context. MERV, or Minimum Efficiency Reporting Value, is a uniform system for measuring the efficiency of air filters, and the ratings are from 1 to 20. The higher the number, the higher the filtration efficiency is.
MERV 8 filters are a compromise between cost and performance and are quite close to the middle of the scale. These filters can catch bigger particles such as dust or pollen, which makes the air cleaner. However, they may not be able to remove bacteria or smoke particles efficiently.
It should also be noted that MERV ratings are not the only factors that determine the quality of air. They work together with other factors like the size of the filter, the material, and the maintenance. A higher MERV rating is not always better because it can limit the air flow, and the HVAC system will have to work harder.
Using Filterbuy Air Filters can be considered the primary step to enhance the performance of your HVAC system. Besides, these filters provide outstanding air quality and energy-saving, which are two very important factors in today's world that require attention to the environment.
Just take a look at the benefits of using these air filters:
Improved Indoor Air Quality: By tightly capturing dust, pollen, and a wide range of airborne contaminants, such filters guarantee that there is clean, pure air inside the building. With a MERV 8 rating, top performance in particle elimination is secured.
Energy Saving: A clean filter is a great way to ensure that your HVAC system will be using energy in a less labor-intensive way, thus energy will be saved, causing lower energy bills to appear.
Money Saving: The high quality and good service life of these filters are the reasons for fewer replacements, and therefore less money will be spent over time.
Filterbuy Air Filters bring a lot of good things to the table, but it is equally important to know how to install them correctly in your HVAC system. It does not require more than a few common tools like a screwdriver, ladder, and, of course, the right filter type to get the job done.
First of all, you should definitely turn off the HVAC system for safety reasons. Finding the air filter unit is your next step - usually, it is located in the indoor part/air handler or furnace of the HVAC system. Opening this unit with a screwdriver and taking out the air filter that is already in there is your next move.
While you take out the old one, look closely at how it is positioned. This is very important when you have to put your new FilterBuy air filter in. The filters have a small arrow on the frame pointing to the direction of the airflow, and this should always be towards the blower, not from the air source.
You can install your new Filterbuy Air Filter by placing it in the compartment with the correct side up. Put the cover back on the compartment, turn the HVAC system on, and enjoy the clean air. By knowing what different types of air filters there are and having the right tools, the whole procedure can be done in a matter of minutes.
Extending the lifespan of your filtration units and ensuring their optimal performance is achievable with proper maintenance. Not only does a well-kept filter enhance air quality, but it also curbs energy expenses.
Here are four tips to maintain Filterbuy Air Filters:
Inspect frequently: A monthly check on your filter is advisable. Once dust and debris buildup make the filter appear dirty or obstructed, immediate replacement is necessary. This practice helps prolong filter lifespan.
Change regularly: Even clean-looking filters need changing every 90 days. This routine replacement guarantees clean air in your living space.
Install correctly: Correct installation, adhering to the precise airflow direction, is crucial. An incorrect setup can curtail the filter's lifespan.
Keep dry: Filters should remain moisture-free. Wet conditions invite mold and bacteria growth, which can compromise air quality and expedite filter degradation.
Filterbuy, a significant player in the HVAC and furnace air filters market, boasts an extensive array of Filter Types. Customers find diverse options, from pleated and fiberglass to electrostatic and charcoal filters.
Comparing Filterbuy with Filtrete, Honeywell, or Nordic Pure reveals differences. These competitors, despite their reputation, restrict their product range to certain filter types and sizes. Filterbuy excels in providing an extensive variety of filter sizes, including the distinct 17x27x1 size, making it suitable for diverse HVAC system needs.
Quality commitment is a hallmark of Filterbuy, especially seen in their MERV 8 filters. These filters are adept at trapping particles as small as 3.0 to 10.0 microns. Competitors do offer similar MERV ratings, yet Filterbuy receives shining customer reviews for their filters' durability and efficiency.
Filterbuy outshines competitors by providing a user-friendly online shopping experience complemented by a subscription option. This service ensures customers need not worry about filter replacements, an offering not all competitors guarantee. Therefore, for top-quality HVAC and furnace air filters, Filterbuy emerges as a compelling choice.

“After building and testing millions of filters right here in the U.S., we’ve learned that clean air isn’t just about higher ratings—it’s about the right balance. A well-made MERV 8 filter keeps your system breathing easy, your energy bills steady, and your family’s air truly protected.”
Our years of filter manufacturing and hands-on testing with HVAC pros confirm what the data shows — MERV 8 filters strike the perfect balance between airflow, efficiency, and protection.
1. EPA Indoor airPLUS Standards
Requires MERV 8 or higher for healthy home air quality.
Captures mold spores, dust mites, and pet dander (3–10 microns).
Designed for clean air without restricting airflow. 🔗 EPA Technical Bulletin (2019)
2. EPA MERV Performance Data
MERV 8 filters remove ≥ 70% of airborne particles sized 3–10 microns.
Targets the same dust and debris that can clog blower motors.
In real-world testing, this efficiency delivers consistent system performance in most homes. 🔗 EPA: What is a MERV Rating?
3. ASHRAE Filtration Findings
Captures about 20% of smaller particles (1–3 microns).
Reduces fine dust and irritants without excess resistance.
HVAC experts agree: higher MERV ratings often don’t improve real-world comfort if systems aren’t designed for them. 🔗 ASHRAE Filtration & Disinfection FAQ
Bottom Line: Backed by both industry data and years of firsthand experience, MERV 8 filters deliver the best everyday protection—keeping air clean, energy use low, and systems running smoothly.
After more than a decade of U.S.-based manufacturing and hands-on testing, one thing is clear: the best filter isn’t always the highest rated — it’s the one that fits your system and lifestyle.
Why MERV 8 Makes Sense:
Delivers strong filtration for dust, pollen, and pet dander.
Maintains optimal airflow for system efficiency.
Prevents strain on older or standard HVAC systems.
What We’ve Seen Firsthand:
Overly high-MERV filters often restrict airflow and reduce comfort.
MERV 8 filters consistently balance clean air with energy savings.
Every Filterbuy filter is tested, refined, and trusted by HVAC pros and homeowners alike.
Our Take: Clean, efficient air shouldn’t be complicated. Filterbuy’s MERV 8 filters are built from years of real-world experience to give you what matters most — better air, less hassle, and long-lasting HVAC performance.
Ready to upgrade your home’s air quality and protect your HVAC system? Here’s how to get started:
Choose Your Filter Size – Select the exact size you need, like 17x27x1, or use our size finder if you’re unsure.
Pick Your MERV Rating – Stick with MERV 8 for reliable everyday protection, or explore higher ratings if you have allergies or pets.
Set Up Auto-Delivery – Never forget a filter change again. Schedule deliveries every 60–90 days based on your usage.
Install It Right – Follow the airflow arrow on the frame and ensure a snug fit for best performance.
Enjoy Cleaner, Easier Living – Breathe confidently knowing your HVAC system is running efficiently and your family is protected.
Pro Tip: For consistent comfort year-round, mark your calendar or sign up for Filterbuy’s filter reminder service — it’s the easiest way to stay on schedule and keep your air clean.
Yes. MERV 8 filters are a solid choice for most homes. They capture common dust, pollen, mold spores, and lint without restricting airflow—ideal for balanced performance and system protection.
For most residential systems, MERV 8–11 offers the best balance between air quality and airflow. Higher ratings (MERV 13+) are best for allergy sufferers or homes needing extra filtration, if the system can handle it.
Top-rated brands include Filterbuy, Honeywell, and Filtrete, all known for consistent quality, accurate sizing, and reliable MERV performance.
MERV 11 filters capture smaller particles like pet dander and fine dust, offering better filtration—but they may slightly reduce airflow in older or weaker systems. MERV 8 is safer for standard systems.
Yes. High-MERV filters (13+) can restrict airflow if your system isn’t designed for them, leading to higher energy use and potential strain on the blower motor.
Typically, every 60–90 days. Homes with pets, allergies, or high dust may need replacement every 30–60 days for best performance.
Cheaper filters use lower-quality materials and have fewer pleats, trapping less debris and needing more frequent changes. Premium filters last longer, filter finer particles, and protect HVAC components better.
It depends on the blower strength and duct design. Some older furnaces struggle with airflow restrictions from higher MERV filters, so consult your HVAC technician before upgrading past MERV 8.
Trane typically recommends MERV 8–11 for standard residential systems, balancing efficiency and airflow without straining the unit.
Both are good. Honeywell filters often last longer and fit snugly in standard housings, while Filtrete filters excel in fine-particle capture for allergy relief. Choice depends on your priorities.
The best filter depends on your needs. For most homes, MERV 8–11 pleated filters from reputable brands like Filterbuy, Honeywell, or Filtrete provide excellent performance and protection.
High-quality pleated filters or Filterbuy’s long-life filters can last up to 90 days or more, while some electrostatic or washable filters can last years with proper maintenance.