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Most Extensive Selection of Commercial & Residential HVAC Filters, from Trusted Brands.
COMMERCIAL & RESIDENTIAL HVAC FILTERS

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

Perfect Fit 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.

Custom Size MERV 8 Pleated Air Filters (12 Pack)

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

Custom-sized MERV 8 Pleated Air Filters. Tailored to your exact specifications, these filters are perfect for homes, offices, and industrial spaces...

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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

Custom Size MERV 10 Pleated Air Filters (12 Pack)

Original price $ 250.99 - Original price $ 350.99
Original price
$ 250.99 - $ 350.99
$ 250.99 - $ 350.99
Current price $ 250.99

Upgrade your air quality with custom-sized MERV 10 Pleated Air Filters. Tailored to your exact specifications, these filters are perfect for homes,...

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Original price $ 250.99 - Original price $ 350.99
Original price
$ 250.99 - $ 350.99
$ 250.99 - $ 350.99
Current price $ 250.99

Custom Size MERV 11 Pleated Air Filters (12 Pack)

Original price $ 271.99 - Original price $ 371.99
Original price
$ 271.99 - $ 371.99
$ 271.99 - $ 371.99
Current price $ 271.99

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

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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

Custom Size MERV 13 Pleated Air Filters (12 Pack)

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

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

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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

Custom Size MERV 1-4 Fiberglass Panel Basic Air Filters (12 Pack)

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

Ensure clean air with custom-sized MERV 1-4 Disposable Panel Air Filters, crafted by a leading manufacturer. Perfect for commercial, industrial, an...

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

Custom Size AAF Flanders PREpleat LPD MERV 10 Filters

Original price $ 259.99 - Original price $ 379.99
Original price
$ 259.99 - $ 379.99
$ 259.99 - $ 379.99
Current price $ 259.99

Discover the ultimate in air filtration with our custom-sized AAF Flanders PREpleat LPD (Low Pressure Drop) SC (Standard Capacity) or HC (High Capa...

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Original price $ 259.99 - Original price $ 379.99
Original price
$ 259.99 - $ 379.99
$ 259.99 - $ 379.99
Current price $ 259.99

Custom Size AAF Flanders EZ-Flow Basic Fiberglass Filters (12 Pack)

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

Discover the custom-sized EZ Flow II Air Filter, designed for efficient and economical air filtration in residential and light commercial HVAC syst...

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

Custom Size AAF Flanders PREpleat MERV 11 Filters

Original price $ 289.99 - Original price $ 409.99
Original price
$ 289.99 - $ 409.99
$ 289.99 - $ 409.99
Current price $ 289.99

Elevate your air filtration with the custom-sized AAF Flanders PREpleat M11 SC (Standard Capacity) or HC (High Capacity - more pleats) pleated pane...

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Original price $ 289.99 - Original price $ 409.99
Original price
$ 289.99 - $ 409.99
$ 289.99 - $ 409.99
Current price $ 289.99

Custom Size Koch Multi-Pleat XL8 MERV 8 Filters

Original price $ 249.99 - Original price $ 369.99
Original price
$ 249.99 - $ 369.99
$ 249.99 - $ 369.99
Current price $ 249.99

Upgrade your air filtration with the custom-sized Koch Multi-Pleat™ XL8 Pleated Panel Filter, available in Standard and High Capacity (more pleats)...

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Original price $ 249.99 - Original price $ 369.99
Original price
$ 249.99 - $ 369.99
$ 249.99 - $ 369.99
Current price $ 249.99

Custom Size AAF Flanders PREpleat MERV 13 Extended Surface Filters

Original price $ 309.99 - Original price $ 409.99
Original price
$ 309.99 - $ 409.99
$ 309.99 - $ 409.99
Current price $ 309.99

Elevate your indoor air quality with the custom-sized AAF Flanders PREpleat M13 pleated filter, designed to deliver MERV 13 efficiency with excepti...

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Original price $ 309.99 - Original price $ 409.99
Original price
$ 309.99 - $ 409.99
$ 309.99 - $ 409.99
Current price $ 309.99

Custom Size MECH 8 Aluminum Rust Resistant Washable Permanent Filter

Original price $ 77.99 - Original price $ 77.99
Original price $ 77.99
$ 189.99 - $ 289.99
$ 189.99 - $ 289.99
Current price $ 189.99

Transform your indoor air quality with the custom-sized MECH 8 Washable Filter, an industry-leading reusable air filter independently tested to ach...

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Original price $ 77.99 - Original price $ 77.99
Original price $ 77.99
$ 189.99 - $ 289.99
$ 189.99 - $ 289.99
Current price $ 189.99

Custom Size Electrostatic Aluminum Rust Resistant Washable Permanent Filter

Original price $ 71.99 - Original price $ 71.99
Original price $ 71.99
$ 179.99 - $ 304.99
$ 179.99 - $ 304.99
Current price $ 179.99

Elevate your indoor air quality with the custom-sized Electrostatic Filter, a high-performance, reusable air filter that leverages passive electros...

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Original price $ 71.99 - Original price $ 71.99
Original price $ 71.99
$ 179.99 - $ 304.99
$ 179.99 - $ 304.99
Current price $ 179.99

Custom Size Thrift Aire Aluminum Rust Resistant Washable Permanent Filter

Original price $ 67.99 - Original price $ 67.99
Original price $ 67.99
$ 169.99 - $ 219.99
$ 169.99 - $ 219.99
Current price $ 169.99

Enhance your indoor air quality with the custom-sized Thrift Aire Filter, a durable and lightweight aluminum air filter designed for superior filtr...

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Original price $ 67.99 - Original price $ 67.99
Original price $ 67.99
$ 169.99 - $ 219.99
$ 169.99 - $ 219.99
Current price $ 169.99

Custom Size NaturalAire MERV 8 Filters (12 Filters)

Original price $ 208.99 - Original price $ 208.99
Original price
$ 208.99
$ 208.99 - $ 208.99
Current price $ 208.99

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

Custom Size NaturalAire MERV 10 Filters (12 Filters)

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

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

Custom Size NaturalAire Ultra MERV 13 Filters (12 Filters)

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

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

Custom Size Koch Disposable Panel (12 Filters)

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

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

AAF Flanders PREpleat Activated Carbon Odor Control Custom Size (12 Filters)

Original price $ 489.99 - Original price $ 705.99
Original price
$ 489.99 - $ 705.99
$ 489.99 - $ 705.99
Current price $ 489.99

Custom AAF Flanders PREpleat AC Carbon Pleated Filter Experience superior odor control with the custom-sized AAF Flanders PREpleat AC Carbon Pleate...

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Original price $ 489.99 - Original price $ 705.99
Original price
$ 489.99 - $ 705.99
$ 489.99 - $ 705.99
Current price $ 489.99

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.