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

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Filters

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) 11255.012020

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 $ 124.99 - Original price $ 124.99
Original price
$ 124.99
$ 124.99 - $ 124.99
Current price $ 124.99

25x25x1 Nested Glass EZ-Green Filters 10059.012525 (24 Filters)

At RememberTheFilter.com, your trusted authorized dealer for top-tier air filtration solutions, we’re proud to offer the AAF Flanders Nested Glass ...

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Original price $ 124.99 - Original price $ 124.99
Original price
$ 124.99
$ 124.99 - $ 124.99
Current price $ 124.99
Sold out / Discontinued
Original price $ 88.99 - Original price $ 88.99
Original price
$ 88.99
$ 88.99 - $ 88.99
Current price $ 88.99

12x12x1 NaturalAire Microparticle MERV 10 Filters 85256.011212 (6 pack)

The NaturalAire Microparticle air filter removes potentially harmful airborne particles to keep the air in your home or office clean and healthier....

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Original price $ 88.99 - Original price $ 88.99
Original price
$ 88.99
$ 88.99 - $ 88.99
Current price $ 88.99
Original price $ 93.99 - Original price $ 93.99
Original price
$ 93.99
$ 93.99 - $ 93.99
Current price $ 93.99

15x30x1 EZ Flow Filters 10055.011530 (12 Filters)

EZ Flow HVAC Filters - Trusted Air Filtration For over 20 years, RememberTheFilter.com has proudly offered the EZ Flow II HVAC Filter, a MERV 1-4-r...

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Original price $ 93.99 - Original price $ 93.99
Original price
$ 93.99
$ 93.99 - $ 93.99
Current price $ 93.99
Original price $ 114.99 - Original price $ 114.99
Original price
$ 114.99
$ 114.99 - $ 114.99
Current price $ 114.99

10x20x1 Nested Glass EZ-Green Filters 10059.011020 (24 Filters)

At RememberTheFilter.com, your trusted authorized dealer for top-tier air filtration solutions, we’re proud to offer the AAF Flanders Nested Glass ...

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Original price $ 114.99 - Original price $ 114.99
Original price
$ 114.99
$ 114.99 - $ 114.99
Current price $ 114.99
Sold out / Discontinued
Original price $ 0.00 - Original price $ 0.00
Original price
$ 0.00
$ 0.00 - $ 0.00
Current price $ 0.00

Discontinued - 8x36x1 EZ Flow Filters 10155.01836 (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 $ 96.99 - Original price $ 96.99
Original price
$ 96.99
$ 96.99 - $ 96.99
Current price $ 96.99

16X25X1 PerfectPleat High Capacity M8 173-600-011 (12 filters)

PerfectPleat HC M8 The PerfectPleat HC M8 filter is designed to consistently increase efficiency throughout the service life of the filter. The Per...

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Original price $ 96.99 - Original price $ 96.99
Original price
$ 96.99
$ 96.99 - $ 96.99
Current price $ 96.99
Original price $ 69.99 - Original price $ 69.99
Original price
$ 69.99
$ 69.99 - $ 69.99
Current price $ 69.99

16x20x1 NaturalAire Microparticle MERV 10 Filters 85256.011620 (6 pack)

The NaturalAire Microparticle air filter removes potentially harmful airborne particles to keep the air in your home or office clean and healthier....

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Original price $ 69.99 - Original price $ 69.99
Original price
$ 69.99
$ 69.99 - $ 69.99
Current price $ 69.99
Original price $ 227.99 - Original price $ 227.99
Original price
$ 227.99
$ 227.99 - $ 227.99
Current price $ 227.99

16x16X2 PREpleat LPD Standard Capacity 80055.021616 (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 $ 227.99 - Original price $ 227.99
Original price
$ 227.99
$ 227.99 - $ 227.99
Current price $ 227.99
Original price $ 104.99 - Original price $ 104.99
Original price
$ 104.99
$ 104.99 - $ 104.99
Current price $ 104.99

14x20x1 PREpleat LPD Standard Capacity 80055.011420 (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 $ 104.99 - Original price $ 104.99
Original price
$ 104.99
$ 104.99 - $ 104.99
Current price $ 104.99
Original price $ 151.99 - Original price $ 151.99
Original price
$ 151.99
$ 151.99 - $ 151.99
Current price $ 151.99

17x17x1 EZ Flow II Filters 10055.011717 (12 Filters)

EZ Flow HVAC Filters - Trusted Air Filtration For over 20 years, RememberTheFilter.com has proudly offered the EZ Flow II HVAC Filter, a MERV 1-4-r...

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Original price $ 151.99 - Original price $ 151.99
Original price
$ 151.99
$ 151.99 - $ 151.99
Current price $ 151.99
Original price $ 171.99 - Original price $ 171.99
Original price
$ 171.99
$ 171.99 - $ 171.99
Current price $ 171.99

24x36x1 NaturalAire Standard MERV 8 Filters 84858.012436 (12 pack)

The NaturalAire Standard air filter removes dramatically more potentially harmful airborne particles, compared to basic fiberglass air filters. It ...

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Original price $ 171.99 - Original price $ 171.99
Original price
$ 171.99
$ 171.99 - $ 171.99
Current price $ 171.99
Original price $ 139.99 - Original price $ 139.99
Original price
$ 139.99
$ 139.99 - $ 139.99
Current price $ 139.99

14x25x1 NaturalAire Microparticle MERV 10 Filters 85156.011425 (12 pack)

The NaturalAire Microparticle air filter removes potentially harmful airborne particles to keep the air in your home or office clean and healthier....

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Original price $ 139.99 - Original price $ 139.99
Original price
$ 139.99
$ 139.99 - $ 139.99
Current price $ 139.99
Original price $ 118.99 - Original price $ 118.99
Original price
$ 118.99
$ 118.99 - $ 118.99
Current price $ 118.99

12x30x1 NaturalAire Standard MERV 8 Filters 84858.011230 (12 pack)

The NaturalAire Standard air filter removes dramatically more potentially harmful airborne particles, compared to basic fiberglass air filters. It ...

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Original price $ 118.99 - Original price $ 118.99
Original price
$ 118.99
$ 118.99 - $ 118.99
Current price $ 118.99
Original price $ 99.99 - Original price $ 99.99
Original price
$ 99.99
$ 99.99 - $ 99.99
Current price $ 99.99

12x24x1 NaturalAire Standard MERV 8 Filters 84858.011224 (12 pack)

The NaturalAire Standard air filter removes dramatically more potentially harmful airborne particles, compared to basic fiberglass air filters. It ...

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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 $ 112.99 - Original price $ 112.99
Original price
$ 112.99
$ 112.99 - $ 112.99
Current price $ 112.99

20x20x1 PREpleat LPD High Capacity 80255.012020 (12 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 $ 112.99 - Original price $ 112.99
Original price
$ 112.99
$ 112.99 - $ 112.99
Current price $ 112.99
Original price $ 208.99 - Original price $ 208.99
Original price
$ 208.99
$ 208.99 - $ 208.99
Current price $ 208.99

20x24x4 PREpleat LPD MERV 10 Standard Capacity Filters 80055.042024 (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 $ 208.99 - Original price $ 208.99
Original price
$ 208.99
$ 208.99 - $ 208.99
Current price $ 208.99
Original price $ 0.00 - Original price $ 0.00
Original price
$ 0.00
$ 0.00 - $ 0.00
Current price $ 0.00

Discontinued - 23-1/2x23-1/2x1 EZ Flow Filters 10155.01235235 (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 $ 58.99 - Original price $ 58.99
Original price
$ 58.99
$ 58.99 - $ 58.99
Current price $ 58.99

24" x 240" Spun Glass Hammock Roll Media HR24240

Ensure cleaner air and optimal HVAC performance with the Flanders Precisionaire Spun Glass Hammock Roll Media. This versatile 20-foot roll of conti...

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Original price $ 58.99 - Original price $ 58.99
Original price
$ 58.99
$ 58.99 - $ 58.99
Current price $ 58.99
Original price $ 244.99 - Original price $ 244.99
Original price
$ 244.99
$ 244.99 - $ 244.99
Current price $ 244.99

24x24x4 PREpleat LPD MERV 8 Standard Capacity Filters 80055.042424 (6 Filters)

AAF Flanders PREpleat LPD (Low Pressure Drop) SC (Standard Capacity) filter is the lowest initial resistance standard capacity MERV 8 pleated filte...

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Original price $ 244.99 - Original price $ 244.99
Original price
$ 244.99
$ 244.99 - $ 244.99
Current price $ 244.99
Original price $ 103.99 - Original price $ 103.99
Original price
$ 103.99
$ 103.99 - $ 103.99
Current price $ 103.99

16x16x1 PREpleat LPD Standard Capacity 80055.011616 (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 ...

View full details
Original price $ 103.99 - Original price $ 103.99
Original price
$ 103.99
$ 103.99 - $ 103.99
Current price $ 103.99
Original price $ 141.99 - Original price $ 141.99
Original price
$ 141.99
$ 141.99 - $ 141.99
Current price $ 141.99

20x30x1 NaturalAire Standard MERV 8 Filters 84858.012030 (12 pack)

The NaturalAire Standard air filter removes dramatically more potentially harmful airborne particles, compared to basic fiberglass air filters. It ...

View full details
Original price $ 141.99 - Original price $ 141.99
Original price
$ 141.99
$ 141.99 - $ 141.99
Current price $ 141.99
Original price $ 152.99 - Original price $ 152.99
Original price
$ 152.99
$ 152.99 - $ 152.99
Current price $ 152.99

6x30x1 Exact Filters Fiberglass MERV 1-4 (12 pack)

6 x 30 x 1 basic filters in the the exact size of 6 x 30 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 $ 0.00 - Original price $ 0.00
Original price
$ 0.00
$ 0.00 - $ 0.00
Current price $ 0.00

Discontinued - 8x30x1 EZ Flow Filters 10155.01830 (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...

View full details
Original price $ 0.00 - Original price $ 0.00
Original price
$ 0.00
$ 0.00 - $ 0.00
Current price $ 0.00
Sold out / Discontinued

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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