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

Shop Air Filters

Forced air systems, like furnaces, air conditioning and heat pumps, move warm or cool air to your home through ducts and vents. To prevent dust and debris from being blown into your home along with that warm and cold air, your system will have one or maybe more filters. The filters not only improve indoor air quality but they also protect your forced air system. When filters get clogged with too much dust, they reduce the efficiency of your system and increase heating and cooling costs, since its harder for air to move from your heating system into your home. The build-up of hot air behind a very clogged filter can even raise the temperature near your heating system enough to trigger its emergency shut-off mechanism, causing your heating system to turn on and off intermittently. Clogged filters can also mean more mold, dust and other allergens in your home. Our goal at RememberTheFilter.com is to be the very best in indoor air filtration. With so many types of filters and our large selection it can be a little overwhelming. Here is a collection of our most popular filters for your forced air system. Many filters to choose from. Many ways to find them. Search for your filter by size, brand, filtration level and more!

Filters

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Original price $ 59.99 - Original price $ 149.99
Original price
$ 59.99 - $ 149.99
$ 59.99 - $ 149.99
Current price $ 59.99

EZ Flow Basic Fiberglass Filters (12 Pack)

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 $ 59.99 - Original price $ 149.99
Original price
$ 59.99 - $ 149.99
$ 59.99 - $ 149.99
Current price $ 59.99
Original price $ 0.00 - Original price $ 0.00
Original price
$ 0.00
$ 0.00 - $ 0.00
Current price $ 0.00

EZ Flow Filters (12 pack)

This filter is being discontinued by AAF Flanders. The recommended replacement is the EZ Flow II Filters. Click here to be directed to the EZ Flow ...

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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 $ 103.99 - Original price $ 266.99
Original price
$ 103.99 - $ 266.99
$ 103.99 - $ 266.99
Current price $ 103.99

AAF Flanders PREpleat LPD MERV 10 Standard Capacity (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 $ 103.99 - Original price $ 266.99
Original price
$ 103.99 - $ 266.99
$ 103.99 - $ 266.99
Current price $ 103.99
Original price $ 114.99 - Original price $ 124.99
Original price
$ 114.99 - $ 124.99
$ 114.99 - $ 124.99
Current price $ 114.99

AAF Flanders Nested Glass EZ-Green Filters (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 $ 124.99
Original price
$ 114.99 - $ 124.99
$ 114.99 - $ 124.99
Current price $ 114.99
Original price $ 137.99 - Original price $ 261.99
Original price
$ 137.99 - $ 261.99
$ 137.99 - $ 261.99
Current price $ 137.99

NaturalAire Microparticle MERV 10 Filters (12 pack)

NaturalAire Microparticle Pleated Air Filter, MERV 10 Removes additional airborne allergens and contaminants, to help protect the ones you love. M...

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Original price $ 137.99 - Original price $ 261.99
Original price
$ 137.99 - $ 261.99
$ 137.99 - $ 261.99
Current price $ 137.99
Original price $ 54.99 - Original price $ 109.99
Original price
$ 54.99 - $ 109.99
$ 54.99 - $ 109.99
Current price $ 54.99

Flanders Precisionaire Heavy Duty Synthetic Filters (12 pack)

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 $ 109.99
Original price
$ 54.99 - $ 109.99
$ 54.99 - $ 109.99
Current price $ 54.99
Sold out / Discontinued
Original price $ 111.99 - Original price $ 302.99
Original price
$ 111.99 - $ 302.99
$ 111.99 - $ 302.99
Current price $ 111.99

AAF Flanders PREpleat LPD MERV 10 High Capacity (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 $ 111.99 - Original price $ 302.99
Original price
$ 111.99 - $ 302.99
$ 111.99 - $ 302.99
Current price $ 111.99
Original price $ 123.99 - Original price $ 284.99
Original price
$ 123.99 - $ 284.99
$ 123.99 - $ 284.99
Current price $ 123.99

AAF Flanders PREpleat MERV 11 Standard Capacity (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 $ 123.99 - Original price $ 284.99
Original price
$ 123.99 - $ 284.99
$ 123.99 - $ 284.99
Current price $ 123.99
Original price $ 195.99 - Original price $ 427.99
Original price
$ 195.99 - $ 427.99
$ 195.99 - $ 427.99
Current price $ 195.99

AAF Flanders PREpleat MERV 13 Extended Surface (12 Filters)

The PREpleat M13 pleated filter has a low initial resistance and supports achievement of LEED® credits by significantly improving Indoor Air Qualit...

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Original price $ 195.99 - Original price $ 427.99
Original price
$ 195.99 - $ 427.99
$ 195.99 - $ 427.99
Current price $ 195.99
Original price $ 152.99 - Original price $ 465.99
Original price
$ 152.99 - $ 465.99
$ 152.99 - $ 465.99
Current price $ 152.99

AAF Flanders PREpleat Activated Carbon Odor Control (12 Filters)

PREpleat AC Carbon Pleated Filters The World Leader in Clean Air Solutions PREpleat AC carbon pleated filters are designed to provide a fast and ef...

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Original price $ 152.99 - Original price $ 465.99
Original price
$ 152.99 - $ 465.99
$ 152.99 - $ 465.99
Current price $ 152.99
Original price $ 174.99 - Original price $ 262.99
Original price
$ 174.99 - $ 262.99
$ 174.99 - $ 262.99
Current price $ 174.99

NaturalAire Healthy Ultra MERV 13 Filters (12 pack)

NaturalAire Healthy Ultra Pleated Air Filter, MERV 13 Hospital-grade air filtration provides maximum protection for your home’s environment. Hospi...

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Original price $ 174.99 - Original price $ 262.99
Original price
$ 174.99 - $ 262.99
$ 174.99 - $ 262.99
Current price $ 174.99
Original price $ 192.99 - Original price $ 274.99
Original price
$ 192.99 - $ 274.99
$ 192.99 - $ 274.99
Current price $ 192.99

Flanders Precisionaire High Velocity and Gas Turbine Pleat (12 pack)

AAF Flanders is no longer make the 85455 model pleat. It’s replaced with the AAF Flanders Megapleat MERV 9 Rated filters. Please contact customer s...

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Original price $ 192.99 - Original price $ 274.99
Original price
$ 192.99 - $ 274.99
$ 192.99 - $ 274.99
Current price $ 192.99
Sold out / Discontinued
Original price $ 124.99 - Original price $ 319.99
Original price $ 124.99 - Original price $ 319.99
Original price $ 124.99
$ 99.99 - $ 255.99
$ 99.99 - $ 255.99
Current price $ 99.99

MERV 10 Pleated Air Filters (12 Pack)

Upgrade your air quality with MERV 10 Pleated Air Filters. Perfect for homes, offices, and industrial spaces, these filters safely improve on MERV ...

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Original price $ 124.99 - Original price $ 319.99
Original price $ 124.99 - Original price $ 319.99
Original price $ 124.99
$ 99.99 - $ 255.99
$ 99.99 - $ 255.99
Current price $ 99.99
Save up to 20% Save %
Original price $ 148.99 - Original price $ 341.99
Original price $ 148.99 - Original price $ 341.99
Original price $ 148.99
$ 119.99 - $ 273.99
$ 119.99 - $ 273.99
Current price $ 119.99

MERV 11 Pleated Air Filters (12 Pack)

Boost your air quality with MERV 11 Pleated Air Filters, crafted by a leading manufacturer. Perfect for homes, offices, and industrial spaces, thes...

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Original price $ 148.99 - Original price $ 341.99
Original price $ 148.99 - Original price $ 341.99
Original price $ 148.99
$ 119.99 - $ 273.99
$ 119.99 - $ 273.99
Current price $ 119.99
Save up to 20% Save %
Original price $ 234.99 - Original price $ 513.99
Original price $ 234.99 - Original price $ 513.99
Original price $ 234.99
$ 187.99 - $ 411.99
$ 187.99 - $ 411.99
Current price $ 187.99

MERV 13 Pleated Air Filters (12 Pack)

Elevate your indoor air quality with MERV 13 Pleated Air Filters, crafted by a leading manufacturer. Designed for homes, offices, and industrial sp...

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Original price $ 234.99 - Original price $ 513.99
Original price $ 234.99 - Original price $ 513.99
Original price $ 234.99
$ 187.99 - $ 411.99
$ 187.99 - $ 411.99
Current price $ 187.99
Save up to 20% Save %

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

Shop Air Filters 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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