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PerfectPleat Ultra Filters

AAF Flanders’ PerfectPleat Ultra air filters feature 25% more media than the standard filter, and they further improve air quality with antimicrobials. These reduce the chance of microbial growth throughout the filter’s life span to promote better airflow and efficiency. The PerfectPleat air filter’s design ensures maximum dust-holding capacity (DHC). It’s ideal in high-moisture areas where there are greater risks of bacterial growth—if your unit currently uses a standard pleated filter and you want to boost your equipment’s efficiency, an AAF Flanders’ PerfectPleat Ultra filter is the solution. Shop our selection now to learn more about each option. We have several sizes available in convenient multipacks, and we provide free shipping on all orders. 

Filtros

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PerfectPleat Ultra Filter
$ 97.99 - $ 97.99
$ 97.99
$ 97.99 - $ 97.99
$ 97.99

12X24X1 PerfectPleat Ultra 176-319-001 (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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$ 97.99 - $ 97.99
$ 97.99
$ 97.99 - $ 97.99
$ 97.99
PerfectPleat Ultra Filter
$ 203.99 - $ 203.99
$ 203.99
$ 203.99 - $ 203.99
$ 203.99

12x24x2 PerfectPleat Ultra 175-102-319 (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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$ 203.99 - $ 203.99
$ 203.99
$ 203.99 - $ 203.99
$ 203.99
PerfectPleat Ultra Filter
$ 212.99 - $ 212.99
$ 212.99
$ 212.99 - $ 212.99
$ 212.99

12x24x4 PerfectPleat Ultra 179-402-319 (6 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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$ 212.99 - $ 212.99
$ 212.99
$ 212.99 - $ 212.99
$ 212.99
PerfectPleat Ultra Filter
$ 230.99 - $ 230.99
$ 230.99
$ 230.99 - $ 230.99
$ 230.99

14x25x2 PerfectPleat Ultra 175-102-375 (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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$ 230.99 - $ 230.99
$ 230.99
$ 230.99 - $ 230.99
$ 230.99
PerfectPleat Ultra Filter
$ 354.99 - $ 354.99
$ 354.99
$ 354.99 - $ 354.99
$ 354.99

15x24x2 PerfectPleat Ultra 175-02-15A24A (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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$ 354.99 - $ 354.99
$ 354.99
$ 354.99 - $ 354.99
$ 354.99
PerfectPleat Ultra Filter
$ 99.99 - $ 99.99
$ 99.99
$ 99.99 - $ 99.99
$ 99.99

16X20X1 PerfectPleat Ultra 176-500-001 (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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$ 99.99 - $ 99.99
$ 99.99
$ 99.99 - $ 99.99
$ 99.99
PerfectPleat Ultra Filter
$ 207.99 - $ 207.99
$ 207.99
$ 207.99 - $ 207.99
$ 207.99

16x20x2 PerfectPleat Ultra 175-102-500 (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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$ 207.99 - $ 207.99
$ 207.99
$ 207.99 - $ 207.99
$ 207.99
PerfectPleat Ultra Filter
$ 255.99 - $ 255.99
$ 255.99
$ 255.99 - $ 255.99
$ 255.99

16x20x4 PerfectPleat Ultra 179-402-500 (6 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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$ 255.99 - $ 255.99
$ 255.99
$ 255.99 - $ 255.99
$ 255.99
PerfectPleat Ultra Filter
$ 243.99 - $ 243.99
$ 243.99
$ 243.99 - $ 243.99
$ 243.99

16x21x1 PerfectPleat Ultra 176-01-16A21A (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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$ 243.99 - $ 243.99
$ 243.99
$ 243.99 - $ 243.99
$ 243.99
PerfectPleat Ultra Filter
$ 134.99 - $ 134.99
$ 134.99
$ 134.99 - $ 134.99
$ 134.99

16X25X1 PerfectPleat Ultra 176-600-001 (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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$ 134.99 - $ 134.99
$ 134.99
$ 134.99 - $ 134.99
$ 134.99
PerfectPleat Ultra Filter
$ 218.99 - $ 218.99
$ 218.99
$ 218.99 - $ 218.99
$ 218.99

16x25x2 PerfectPleat Ultra 175-102-600 (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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$ 218.99 - $ 218.99
$ 218.99
$ 218.99 - $ 218.99
$ 218.99
PerfectPleat Ultra Filter
$ 199.99 - $ 199.99
$ 199.99
$ 199.99 - $ 199.99
$ 199.99

16x25x4 PerfectPleat Ultra 179-402-600 (6 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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$ 199.99 - $ 199.99
$ 199.99
$ 199.99 - $ 199.99
$ 199.99
PerfectPleat Ultra Filter
$ 106.99 - $ 106.99
$ 106.99
$ 106.99 - $ 106.99
$ 106.99

20x20X1 PerfectPleat Ultra 176-700-001 (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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$ 106.99 - $ 106.99
$ 106.99
$ 106.99 - $ 106.99
$ 106.99
PerfectPleat Ultra Filter
$ 258.99 - $ 258.99
$ 258.99
$ 258.99 - $ 258.99
$ 258.99

20x20x2 PerfectPleat Ultra 175-102-700 (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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$ 258.99 - $ 258.99
$ 258.99
$ 258.99 - $ 258.99
$ 258.99
PerfectPleat Ultra Filter
$ 262.99 - $ 262.99
$ 262.99
$ 262.99 - $ 262.99
$ 262.99

20x20x4 PerfectPleat Ultra 179-402-700 (6 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

Ver todos los detalles
$ 262.99 - $ 262.99
$ 262.99
$ 262.99 - $ 262.99
$ 262.99
PerfectPleat Ultra Filter
$ 230.99 - $ 230.99
$ 230.99
$ 230.99 - $ 230.99
$ 230.99

20x24x2 PerfectPleat Ultra 175-102-782 (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

Ver todos los detalles
$ 230.99 - $ 230.99
$ 230.99
$ 230.99 - $ 230.99
$ 230.99
PerfectPleat Ultra Filter
$ 113.99 - $ 113.99
$ 113.99
$ 113.99 - $ 113.99
$ 113.99

20x25X1 PerfectPleat Ultra 176-800-001 (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

Ver todos los detalles
$ 113.99 - $ 113.99
$ 113.99
$ 113.99 - $ 113.99
$ 113.99
PerfectPleat Ultra Filter
$ 233.99 - $ 233.99
$ 233.99
$ 233.99 - $ 233.99
$ 233.99

20x25x2 PerfectPleat Ultra 175-102-800 (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

Ver todos los detalles
$ 233.99 - $ 233.99
$ 233.99
$ 233.99 - $ 233.99
$ 233.99
PerfectPleat Ultra Filter
$ 241.99 - $ 241.99
$ 241.99
$ 241.99 - $ 241.99
$ 241.99

20x25x4 PerfectPleat Ultra 179-402-800 (6 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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$ 241.99 - $ 241.99
$ 241.99
$ 241.99 - $ 241.99
$ 241.99
PerfectPleat Ultra Filter
$ 239.99 - $ 239.99
$ 239.99
$ 239.99 - $ 239.99
$ 239.99

24x20x4 PerfectPleat Ultra 179-402-859 (6 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

Ver todos los detalles
$ 239.99 - $ 239.99
$ 239.99
$ 239.99 - $ 239.99
$ 239.99
PerfectPleat Ultra Filter
$ 120.99 - $ 120.99
$ 120.99
$ 120.99 - $ 120.99
$ 120.99

24x24X1 PerfectPleat Ultra 176-863-001 (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

Ver todos los detalles
$ 120.99 - $ 120.99
$ 120.99
$ 120.99 - $ 120.99
$ 120.99
PerfectPleat Ultra Filter
$ 245.99 - $ 245.99
$ 245.99
$ 245.99 - $ 245.99
$ 245.99

24x24x2 PerfectPleat Ultra 175-102-863 (12 filters)

PerfectPleat ULTRA The PerfectPleat ULTRA filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

Ver todos los detalles
$ 245.99 - $ 245.99
$ 245.99
$ 245.99 - $ 245.99
$ 245.99
PerfectPleat Ultra Filter
Ahorre 38% Ahorre %
$ 120.99
$ 120.99 - $ 120.99
$ 120.99
$ 74.88
$ 74.88 - $ 74.88
$ 74.88

WAREHOUSE DEAL 24x24X1 PerfectPleat Ultra 176-863-001 (9 filters)

This warehouse deal is a closeout sale with possible minor damage or imperfections on the filters and/or box. Each filter has been carefully inspec...

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$ 120.99
$ 120.99 - $ 120.99
$ 120.99
$ 74.88
$ 74.88 - $ 74.88
$ 74.88
Ahorre 38% Ahorre %

Your Trusted Source For PerfectPleat Ultra Filters

We offer a complete selection of high-performance PerfectPleat Ultra HVAC filters. Whether you're replacing filters in your home, office, or commercial HVAC system, you'll find trusted options in MERV 1–13, including pleated, fiberglass, washable, and specialty filters.

All PerfectPleat Ultra filters are made in the USA and sourced from leading manufacturers like AAF Flanders and Koch Filter. Choose from standard and custom sizes to ensure a proper fit for your system—and enjoy clean air backed by over 50 years of HVAC experience.

Filter Fit Guarantee™

Have concerns about ordering PerfectPleat Ultra filters online? Your purchase is backed by our Filter Fit Guarantee™.

Free Delivery

We will ship your PerfectPleat Ultra filters direct to your door, for free! All orders in the domestic U.S over $50.

Highly Rated PerfectPleat Ultra Filters

PerfectPleat Ultra Filters from leading manufactuerers.

Have questions about PerfectPleat Ultra Filters?

What are PerfectPleat Ultra filters designed for?

PerfectPleat Ultra are designed to capture airborne particles and improve system performance in a wide range of HVAC and air filtration applications.

How do I know if PerfectPleat Ultra are right for my system?

The best way to determine if PerfectPleat Ultra are right for your system is to check your current filter specs, system requirements, or reach out to our team—we’re happy to help you choose the correct option.

Are PerfectPleat Ultra filters used in residential or commercial systems?

PerfectPleat Ultra can be used in a variety of applications depending on system compatibility. Some are ideal for homes, while others are built for commercial, industrial, or specialized environments.

How often should PerfectPleat Ultra filters be replaced or maintained?

Replacement schedules for PerfectPleat Ultra filters vary based on environment, usage, and filter type. Always follow manufacturer guidelines or consult your facility manager or HVAC technician for best results.

What efficiency levels are available in PerfectPleat Ultra?

PerfectPleat Ultra filters are available in a range of filtration levels—from basic to high-efficiency—based on your air quality goals and system requirements.

Are your PerfectPleat Ultra filters made in the USA?

Most of our PerfectPleat Ultra replacements are proudly made in the USA by trusted manufacturers known for quality and performance.

What makes RememberTheFilter.com a trusted source for PerfectPleat Ultra filters?

With nearly 20 years online and over 50 years of HVAC experience, we offer only high-quality PerfectPleat Ultra replacement filter from leading brands—backed by real expertise and personalized support.

What MERV Rating Is Right for You?

MERV (Minimum Efficiency Reporting Value) measures how well an air filter captures particles. A higher number means better filtration—but it must still be compatible with your HVAC system. Here's a breakdown to help you choose the right filter for your home or business.

MERV 1–4

Basic protection. Captures larger particles like dust, lint, and pollen. Minimal airflow resistance. Best for older systems or basic residential use.

✔ Highest airflow
✘ Does not trap fine particles

MERV 8

Great balance of airflow and filtration. Captures mold spores, dust mites, pet dander, and pollen. Most common choice for residential HVAC systems.

✔ Good airflow
✔ Effective for everyday air quality needs

MERV 10

Enhanced dust-holding capacity and improved particle removal compared to MERV 8. Traps finer particles like mold spores, hair spray, and fabric fibers.

✔ More efficient than MERV 8
✔ Still maintains strong airflow

MERV 11

Captures smaller particles like auto emissions, smoke, and some airborne bacteria. Ideal for homes with pets or allergy concerns. Moderate impact on airflow.

✔ Great for allergies
✘ May reduce airflow in older systems

MERV 13

Highest residential-grade filtration. Captures airborne bacteria, tobacco smoke, and fine particles. Recommended for asthma, smoke exposure, or medical-grade needs.

✔ Best indoor air quality
✘ Not suitable for all systems without airflow evaluation

How to Measure HVAC Filters

To find the correct replacement, measure the length, width, and depth of your existing filter. Most filters are labeled with a nominal size (like 16x24x1), which is a rounded number—actual measurements are often slightly smaller. Accurate sizing ensures a proper fit and helps maintain airflow efficiency.

How to Measure HVAC Filter

Step 1: Remove Old Filter

Turn off your system and remove the existing filter. Look for printed dimensions on the frame—this is usually the nominal size.

Step 2: Measure Actual Size

Use a tape measure to get exact dimensions (length × width × depth). Round down to the nearest 1/8" if needed—example: 15-5/8" × 23-5/8" × 3/4".

Step 3: Match or Order Custom

If your measurements don’t match a standard size, we offer custom filters made to your exact dimensions.

Trust RememberTheFilter.com for Premium HVAC Filters & Expert Service

With nearly 20 years online and over 50 years of combined HVAC filter experience, we’re more than just a retailer—we’re filtration experts. As a proud member of the National Air Filtration Association (NAFA), we serve residential, commercial, and government customers across the U.S. Our filters are made in America and sourced from leading manufacturers like AAF Flanders, Koch Filter, and more.

We believe in clean air, fair prices, and helping people—not algorithms.

  • ✅ Nearly 20 years online helping homeowners and businesses nationwide
  • ✅ 50+ years of combined HVAC filtration experience
  • ✅ Member of NAFA – National Air Filtration Association
  • ✅ Made in the USA – filters from AAF Flanders, Koch, and more
  • ✅ Exact Filters® – custom built to your specs, down to 1/8"
  • ✅ Trusted by schools, clinics, and commercial buildings across the U.S.

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