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HVAC Filters for Home & Business – Shop Now, Save Big!
Commercial & Residential HVAC Filtration

Custom Size HVAC Air Filters, Furnace, AC, Heat Pump

Perfectly Fitted Air Filters for Your HVAC System

At RememberTheFilter.com, we’re experts in delivering custom furnace and AC filters designed to fit your HVAC unit like a glove. A properly fitted air filter doesn’t just improve the air quality in your home or business—it also helps extend the life of your equipment. When standard sizes fall short, our custom furnace and HVAC filters provide the ideal solution, tailored just for you.

Uncompromising Craftsmanship and Quality

We take pride in maintaining the highest standards of craftsmanship and quality in every filter we produce. Our custom furnace and HVAC filters are carefully crafted to your exact specifications, ensuring a seamless fit every time. By choosing a premium filter, you’re investing in cleaner, healthier indoor air for you and your loved ones.

Original price $ 240.99 - Original price $ 340.99
Original price
$ 240.99 - $ 340.99
$ 240.99 - $ 340.99
Current price $ 240.99

Custom Size Standard Capacity Pleated Filters

AAF Flanders

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 $ 240.99 - Original price $ 340.99
Original price
$ 240.99 - $ 340.99
$ 240.99 - $ 340.99
Current price $ 240.99
Original price $ 260.99 - Original price $ 360.99
Original price
$ 260.99 - $ 360.99
$ 260.99 - $ 360.99
Current price $ 260.99

Custom Size High Capacity Pleated Filters

AAF Flanders

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 $ 260.99 - Original price $ 360.99
Original price
$ 260.99 - $ 360.99
$ 260.99 - $ 360.99
Current price $ 260.99
Original price $ 271.99 - Original price $ 371.99
Original price
$ 271.99 - $ 371.99
$ 271.99 - $ 371.99
Current price $ 271.99

Custom Size MERV 11 Standard Capacity Pleated Filters

AAF Flanders

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

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Original price $ 271.99 - Original price $ 371.99
Original price
$ 271.99 - $ 371.99
$ 271.99 - $ 371.99
Current price $ 271.99
Original price $ 295.99 - Original price $ 531.99
Original price
$ 295.99 - $ 531.99
$ 295.99 - $ 531.99
Current price $ 295.99

Custom Size MERV 13 Extended Surface Pleated Filters

AAF Flanders

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

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Original price $ 295.99 - Original price $ 531.99
Original price
$ 295.99 - $ 531.99
$ 295.99 - $ 531.99
Current price $ 295.99
Original price $ 208.99 - Original price $ 208.99
Original price
$ 208.99
$ 208.99 - $ 208.99
Current price $ 208.99

Custom Size NaturalAire MERV 8 Filters (12 Filters)

AAF Flanders

The NaturalAire Standard MERV 8 air filter removes dramatically more potentially harmful airborne particles, compared to basic fiberglass air filte...

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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 $ 228.99 - Original price $ 228.99
Original price
$ 228.99
$ 228.99 - $ 228.99
Current price $ 228.99

Custom Size NaturalAire MERV 10 Filters (12 Filters)

AAF Flanders

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 $ 228.99 - Original price $ 228.99
Original price
$ 228.99
$ 228.99 - $ 228.99
Current price $ 228.99
Original price $ 248.99 - Original price $ 248.99
Original price
$ 248.99
$ 248.99 - $ 248.99
Current price $ 248.99

Custom Size NaturalAire Ultra MERV 13 Filters (12 Filters)

AAF Flanders

Pleated Air Filter, MERV 13, 1-Inch Hospital-grade air filtration provides maximum protection for your homeÕs environment. MERV 13 rating: Reduces...

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Original price $ 248.99 - Original price $ 248.99
Original price
$ 248.99
$ 248.99 - $ 248.99
Current price $ 248.99
Original price $ 199.99 - Original price $ 199.99
Original price
$ 199.99
$ 199.99 - $ 199.99
Current price $ 199.99

Custom Size EZ Flow MERV 4 Fiberglass Filters 1" Depth Only (12 Filters)

AAF Flanders

The EZ Flow II custom size air filter frame is made from heavy chipboard in a one-piece design that eliminates corner separation. The EZ Flow II fi...

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Original price $ 199.99 - Original price $ 199.99
Original price
$ 199.99
$ 199.99 - $ 199.99
Current price $ 199.99
Original price $ 129.99 - Original price $ 229.99
Original price
$ 129.99 - $ 229.99
$ 129.99 - $ 229.99
Current price $ 129.99

Custom Size Washable Air Filter Aluminum Metal Frame

AAF Flanders

Reusable filter system - simply remove filter, wash, let dry, and return to your HVAC system Aluminum metal frame Reduces common dust and airborne...

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Original price $ 129.99 - Original price $ 229.99
Original price
$ 129.99 - $ 229.99
$ 129.99 - $ 229.99
Current price $ 129.99
Original price $ 218.99 - Original price $ 364.99
Original price
$ 218.99 - $ 364.99
$ 218.99 - $ 364.99
Current price $ 218.99

Custom Size Koch Disposable Panel (12 Filters)

Koch

Disposable Panel Filters for Commercial, Industrial & Residential Use KOCH Disposable Panel Filters are versatile and suitable for a wide rang...

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Original price $ 218.99 - Original price $ 364.99
Original price
$ 218.99 - $ 364.99
$ 218.99 - $ 364.99
Current price $ 218.99

3 Steps to Ordering Custom Size Air Filters

Begin by selecting the filter model that best suits your HVAC system from our comprehensive range of options. We offer a variety of high-quality filters to meet different needs and preferences, ensuring you find the perfect match for your system.

Step 1: Choose Filter Model

Measure the dimensions of your current filter or the space it fits into, then enter the exact size needed on our custom filter page. Our system allows you to specify the size down to 1/8", guaranteeing a precise fit that maximizes efficiency and performance.

Step 2: Enter Exact Size

Once you've selected the model and entered the exact size, simply add the custom filter to your cart. Proceed to checkout to complete your order. Our streamlined process makes it quick and easy, so you can get your custom filters delivered to your doorstep with minimal hassle.

Step 3: Add to Cart and Checkout

Get The Perfect Fit

No more guesswork—our custom filters are made to match your exact dimensions, ensuring peak performance and cleaner air. Tailor your solution today!

Built Just For You

Your system deserves a filter that fits like a glove. Customize yours to any size and enjoy a seamless, dust-free fit every time!

Smile, It’s Simple!

Custom filters made easy—just give us your sizes and we’ll handle the rest. Enjoy a hassle-free fit that keeps you grinning!

Award-Winning Quality

Trust in excellence—our custom filters are built to the highest standards, earning top marks for performance and durability.

High Standards of Craftsmanship and Quality

We uphold stringent standards of craftsmanship and quality with our products. Choose from our range of custom furnace and HVAC filters, each meticulously made to your specified size for a perfect fit. Investing in a high-quality filter ensures cleaner, healthier indoor air for you and your family.

Benefits of Custom Size HVAC Filters

  • Enhanced Air Quality: Custom filters ensure a perfect fit, optimizing the air filtration process and enhancing indoor air quality.
  • Equipment Longevity: Properly fitted filters help maintain your HVAC system’s efficiency and longevity by preventing debris from entering the system.
  • Precision Fit: Custom filters are made to your exact specifications, ensuring no gaps or leaks that could compromise performance.
  • Versatility: Suitable for both residential and commercial HVAC systems, our custom filters cater to various needs.

Our Commitment to Customer Satisfaction

At RememberTheFilter.com, customer satisfaction is our top priority. We offer free shipping and our unique Filter Fit Guarantee. Should you make a measurement error while ordering your new filter, we'll remake your custom furnace filter or AC filter at no additional cost.

How to Order Your Custom Size HVAC Filter

Ordering your custom size HVAC filter is simple:

  • Measure Your Existing Filter: Accurately measure the dimensions of your current filter to ensure a perfect fit.
  • Select Your Specifications: Choose the type, size, and MERV rating that meets your needs.
  • Place Your Order: Use our easy-to-navigate website to place your order and enjoy free shipping.

Need Assistance? We're Here to Help!

If you need help with measurements or selecting the right filter, our customer service team is ready to assist. Give us a call at 1-866-469-8556 or reach out through our contact page.

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