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🚚 Free Shipping | Top-Brands HVAC Filters | 5⭐ Trusted!
🚚 Free Shipping | Top-Brands HVAC Filters | 5⭐ Trusted!

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Filters

Original price $ 197.99 - Original price $ 197.99
Original price
$ 197.99
$ 197.99 - $ 197.99
Current price $ 197.99

20x20x2 Extended Surface Pleated Filter 80085.022020 (12 Filters)

MERV 8 per ASHRAE 52.2-2007. Media maximizing V-pleat design with low pressure drop. Metal grid prevents media flutter while in operation. Support ...

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Original price $ 197.99 - Original price $ 197.99
Original price
$ 197.99
$ 197.99 - $ 197.99
Current price $ 197.99
Sold out / Discontinued
Original price $ 146.99 - Original price $ 146.99
Original price
$ 146.99
$ 146.99 - $ 146.99
Current price $ 146.99

16x25x1 PREpleat MERV 11 Standard Capacity 85655.011625M11 (12 Filters)

The PREpleat M11 SC pleated panel filter enables a significant upgrade in collection efficiency over existing MERV 8 products. A 25–30% average eff...

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Original price $ 146.99 - Original price $ 146.99
Original price
$ 146.99
$ 146.99 - $ 146.99
Current price $ 146.99
Original price $ 0.00 - Original price $ 0.00
Original price
$ 0.00
$ 0.00 - $ 0.00
Current price $ 0.00

Flanders Precisionaire High Temperature Filters (12 pack)

This filter has been discontinued by AAF Flanders. They have a recommended replacement that is a High Capacity High Temp filter. The PrePleat HT HC...

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Original price $ 0.00 - Original price $ 0.00
Original price
$ 0.00
$ 0.00 - $ 0.00
Current price $ 0.00
Sold out / Discontinued
Original price $ 88.99 - Original price $ 88.99
Original price
$ 88.99
$ 88.99 - $ 88.99
Current price $ 88.99

Pre Pleat 40 Economy Capacity MERV 7 (12 Filters) 84355.011020

he MERV 7 Economy Pleated filter features a filtering medium that is more efficient and ecologically friendly. Made entirely from recyclable materi...

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Original price $ 88.99 - Original price $ 88.99
Original price
$ 88.99
$ 88.99 - $ 88.99
Current price $ 88.99
Sold out / Discontinued
Original price $ 249.99 - Original price $ 249.99
Original price
$ 249.99
$ 249.99 - $ 249.99
Current price $ 249.99

20x20x4 PREpleat LPD High Capacity 80255.042020 (6 Filters)

We're pleased to announce the updated AAF Flanders PREpleat LPD (Low Pressure Drop) HC (High Capacity) filter, now featuring a MERV 10 rating, an u...

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Original price $ 249.99 - Original price $ 249.99
Original price
$ 249.99
$ 249.99 - $ 249.99
Current price $ 249.99
Original price $ 188.99 - Original price $ 188.99
Original price
$ 188.99
$ 188.99 - $ 188.99
Current price $ 188.99

12x24x4 PREpleat LPD Standard Capacity Filters 80055.041224 (6 Filters)

We're excited to introduce the newly improved AAF Flanders PREpleat LPD (Low Pressure Drop) SC (Standard Capacity) filter, now featuring a MERV 10 ...

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Original price $ 188.99 - Original price $ 188.99
Original price
$ 188.99
$ 188.99 - $ 188.99
Current price $ 188.99
Original price $ 242.99 - Original price $ 242.99
Original price
$ 242.99
$ 242.99 - $ 242.99
Current price $ 242.99

25X25X2 PREpleat LPD Standard Capacity 80055.022525 (12 Filters)

We're excited to introduce the newly improved AAF Flanders PREpleat LPD (Low Pressure Drop) SC (Standard Capacity) filter, now featuring a MERV 10 ...

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Original price $ 242.99 - Original price $ 242.99
Original price
$ 242.99
$ 242.99 - $ 242.99
Current price $ 242.99
Original price $ 230.99 - Original price $ 230.99
Original price
$ 230.99
$ 230.99 - $ 230.99
Current price $ 230.99

18X25X2 PREpleat LPD Standard Capacity 80055.021825 (12 Filters)

We're excited to introduce the newly improved AAF Flanders PREpleat LPD (Low Pressure Drop) SC (Standard Capacity) filter, now featuring a MERV 10 ...

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Original price $ 230.99 - Original price $ 230.99
Original price
$ 230.99
$ 230.99 - $ 230.99
Current price $ 230.99
Original price $ 218.99 - Original price $ 218.99
Original price
$ 218.99
$ 218.99 - $ 218.99
Current price $ 218.99

14X20X2 PREpleat LPD Standard Capacity 80055.021420 (12 Filters)

We're excited to introduce the newly improved AAF Flanders PREpleat LPD (Low Pressure Drop) SC (Standard Capacity) filter, now featuring a MERV 10 ...

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Original price $ 218.99 - Original price $ 218.99
Original price
$ 218.99
$ 218.99 - $ 218.99
Current price $ 218.99
Original price $ 654.99 - Original price $ 654.99
Original price
$ 654.99
$ 654.99 - $ 654.99
Current price $ 654.99

KKM Washable Permanent Filters (6 Filters) 50055.022025

Flanders Precisionaire Model KKM is a heavy duty, washable, aluminum media, all metal filter. KKM is suitable for all residential and commercial ap...

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Original price $ 654.99 - Original price $ 654.99
Original price
$ 654.99
$ 654.99 - $ 654.99
Current price $ 654.99
Original price $ 347.99 - Original price $ 347.99
Original price
$ 347.99
$ 347.99 - $ 347.99
Current price $ 347.99

28x28x1 Exact Filters Fiberglass MERV 1-4 (12 pack)

28 x 28 x 1 basic filters in the the exact size of 28 x 28 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

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Original price $ 347.99 - Original price $ 347.99
Original price
$ 347.99
$ 347.99 - $ 347.99
Current price $ 347.99
Sold out / Discontinued
Original price $ 187.99 - Original price $ 187.99
Original price
$ 187.99
$ 187.99 - $ 187.99
Current price $ 187.99

19-1/2x29-1/2x1 Exact Filters Fiberglass MERV 1-4 (12 pack)

19 1/2 x 29 1/2 x 1 basic filters in the the exact size of 19 1/2 x 29 1/2 x 1. Finding the perfect fit filter isn't always easy so we teamed up wi...

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Original price $ 187.99 - Original price $ 187.99
Original price
$ 187.99
$ 187.99 - $ 187.99
Current price $ 187.99
Original price $ 174.99 - Original price $ 174.99
Original price
$ 174.99
$ 174.99 - $ 174.99
Current price $ 174.99

18x22x1 Exact Filters Fiberglass MERV 1-4 (12 pack)

18 x 22 x 1 basic filters in the the exact size of 18 x 22 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

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Original price $ 174.99 - Original price $ 174.99
Original price
$ 174.99
$ 174.99 - $ 174.99
Current price $ 174.99
Original price $ 167.99 - Original price $ 167.99
Original price
$ 167.99
$ 167.99 - $ 167.99
Current price $ 167.99

16-1/2x21-1/2x1 Exact Filters Fiberglass MERV 1-4 (12 pack)

16 1/2 x 21 1/2 x 1 basic filters in the the exact size of 16 1/2 x 21 1/2 x 1. Finding the perfect fit filter isn't always easy so we teamed up wi...

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Original price $ 167.99 - Original price $ 167.99
Original price
$ 167.99
$ 167.99 - $ 167.99
Current price $ 167.99
Original price $ 167.99 - Original price $ 167.99
Original price
$ 167.99
$ 167.99 - $ 167.99
Current price $ 167.99

16x22x1 Exact Filters Fiberglass MERV 1-4 (12 pack)

16 x 22 x 1 basic filters in the the exact size of 16 x 22 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

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Original price $ 167.99 - Original price $ 167.99
Original price
$ 167.99
$ 167.99 - $ 167.99
Current price $ 167.99
Original price $ 174.99 - Original price $ 174.99
Original price
$ 174.99
$ 174.99 - $ 174.99
Current price $ 174.99

15x15x1 Exact Filters Fiberglass MERV 1-4 (12 pack)

15 x 15 x 1 basic filters in the the exact size of 15 x 15 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading man...

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Original price $ 174.99 - Original price $ 174.99
Original price
$ 174.99
$ 174.99 - $ 174.99
Current price $ 174.99
Original price $ 152.99 - Original price $ 152.99
Original price
$ 152.99
$ 152.99 - $ 152.99
Current price $ 152.99

6x20x1 Exact Filters Fiberglass MERV 1-4 (12 pack)

6 x 20 x 1 basic filters in the the exact size of 6 x 20 x 1. Finding the perfect fit filter isn't always easy so we teamed up with a leading manuf...

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Original price $ 152.99 - Original price $ 152.99
Original price
$ 152.99
$ 152.99 - $ 152.99
Current price $ 152.99
Original price $ 77.99 - Original price $ 77.99
Original price
$ 77.99
$ 77.99 - $ 77.99
Current price $ 77.99

Heavy Duty Synthetic (12 Filters) 11255.021625

This filter model has been discontinued by AAF Flanders. The recommend replacement is the AAF Flanders EZ Flow filters. Low airflow restriction and...

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Original price $ 77.99 - Original price $ 77.99
Original price
$ 77.99
$ 77.99 - $ 77.99
Current price $ 77.99
Sold out / Discontinued
Original price $ 54.99 - Original price $ 54.99
Original price
$ 54.99
$ 54.99 - $ 54.99
Current price $ 54.99

Heavy Duty Synthetic (12 Filters) 11255.011212

This filter model has been discontinued by AAF Flanders. The recommend replacement is the AAF Flanders EZ Flow filters. Low airflow restriction and...

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Original price $ 54.99 - Original price $ 54.99
Original price
$ 54.99
$ 54.99 - $ 54.99
Current price $ 54.99
Sold out / Discontinued
Original price $ 0.00 - Original price $ 0.00
Original price
$ 0.00
$ 0.00 - $ 0.00
Current price $ 0.00

Discontinued - 17x19x1 EZ Flow Filters 10155.011719 (12 Filters)

Last stock, all sales final. This filter is discontinued by the manufacturer AAF Flanders. The recommended replacement is the EZ Flow II Filters. C...

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Original price $ 0.00 - Original price $ 0.00
Original price
$ 0.00
$ 0.00 - $ 0.00
Current price $ 0.00
Sold out / Discontinued
Original price $ 0.00 - Original price $ 0.00
Original price
$ 0.00
$ 0.00 - $ 0.00
Current price $ 0.00

Discontinued - 15x20x2 EZ Flow II Filters 10055.021520 (12 Filters)

Last stock, all sales final. This filter is discontinued by the manufacturer AAF Flanders. The recommended replacement can be found at the link bel...

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Original price $ 0.00 - Original price $ 0.00
Original price
$ 0.00
$ 0.00 - $ 0.00
Current price $ 0.00
Sold out / Discontinued
Original price $ 99.99 - Original price $ 99.99
Original price
$ 99.99
$ 99.99 - $ 99.99
Current price $ 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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Original price $ 99.99 - Original price $ 99.99
Original price
$ 99.99
$ 99.99 - $ 99.99
Current price $ 99.99
Original price $ 211.99 - Original price $ 211.99
Original price
$ 211.99
$ 211.99 - $ 211.99
Current price $ 211.99

20x20x1 Grille Cut Pleated MERV 8 Filters (12 pack)

20 x 20 x 1 grille replacement pleated filters that have an exact size of 19 1/8 x 19 3/8 x 1. Finding grille cut filters can be a challenging task...

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Original price $ 211.99 - Original price $ 211.99
Original price
$ 211.99
$ 211.99 - $ 211.99
Current price $ 211.99
Sold out / Discontinued
Original price $ 229.99 - Original price $ 229.99
Original price
$ 229.99
$ 229.99 - $ 229.99
Current price $ 229.99

25x22x1 Exact Filters Pleated MERV 8 (12 pack)

25 x 22 x 1 pleated filters in the the exact size of 25 x 22 x 1. Upgrade your HVAC system with Exact Filters! Say goodbye to the frustration of fi...

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Original price $ 229.99 - Original price $ 229.99
Original price
$ 229.99
$ 229.99 - $ 229.99
Current price $ 229.99

Your Trusted Source For Filters

We offer a complete selection of high-performance 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 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 filters online? Your purchase is backed by our Filter Fit Guarantee™.

Free Delivery

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

Highly Rated Filters

all from leading manufactuerers.

Have questions about Filters?

What are filters designed for?

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 are right for my system?

The best way to determine if 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 filters used in residential or commercial systems?

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 filters be replaced or maintained?

Replacement schedules for 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 ?

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 filters made in the USA?

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

What makes RememberTheFilter.com a trusted source for filters?

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

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.

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