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Best furnace filters - April 2025

Last Updated - April 24, 2025

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Filterbuy 20x25x4 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 3.63 Inches)

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$76.20

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Main highlights
- MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from mold, pollen, and more while trapping 90% of dust particles without impacting air flow
- Industrial grade components are 100% manufactured in the United States and designed with recyclable materials
- High quality construction features an electrostatically charged design with 8 pleats per foot that captures more harmful particles and lasts 3x longer than fiberglass models (replace every 90 days for best performance)
- Easy installation beverage board frames with dual wire backings improve structural integrity and outperform standard cardboard designs by resisting extreme temperatures
- 20x25x4 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.50" x 24.50" x 3.63"), also compatible with White Rodgers (ACM2000M, ACM2000M-108, FR2000M-108, FR2000M-111), Pro1 IAQ (F2008, F2012, 717267120784)
$76.20
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Filterbuy

Filterbuy 24x24x2 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 1.75 Inches)

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$130.92

More Details
Main highlights
- MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from mold, pollen, and more while trapping 90% of dust particles without impacting air flow
- Industrial grade components are 100% manufactured in the United States and designed with recyclable materials
- High quality construction features an electrostatically charged design with 10 pleats per foot that captures more harmful particles and lasts 3x longer than fiberglass models (replace every 90 days for best performance)
- Easy installation beverage board frames with dual wire backings improve structural integrity and outperform standard cardboard designs by resisting extreme temperatures
- 24x24x2 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 23.38" x 23.38" x 1.75")
$130.92
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Filterbuy

Filterbuy 20x25x4 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 3.63 Inches)

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$102.92

More Details
Main highlights
- MERV 13 synthetic media (comparable with MPR 1500 - 1900 & FPR 10) protects homes from bacteria and more while trapping 98% of dust particles without impacting air flow
- Industrial grade components are 100% manufactured in the United States and designed with recyclable materials
- High quality construction features an electrostatically charged design with 11 pleats per foot that captures more harmful particles and lasts 3x longer than fiberglass models (replace every 90 days for best performance)
- Easy installation beverage board frames with dual wire backings improve structural integrity and outperform standard cardboard designs by resisting extreme temperatures
- 20x25x4 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.50" x 24.50" x 3.63"), also compatible with White Rodgers (ACM2000M, ACM2000M-108, FR2000M-108, FR2000M-111), Pro1 IAQ (F2008, F2012, 717267120784)
$102.92
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Filterbuy

Filterbuy 20x23x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 22.50 x 0.75 Inches)

Filterbuy

$68.94

More Details
Main highlights
- MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from mold, pollen, and more while trapping 90% of dust particles without impacting air flow
- Industrial grade components are 100% manufactured in the United States and designed with recyclable materials
- High quality construction features an electrostatically charged design with 14 pleats per foot that captures more harmful particles and lasts 3x longer than fiberglass models (replace every 90 days for best performance)
- Easy installation beverage board frames with dual wire backings improve structural integrity and outperform standard cardboard designs by resisting extreme temperatures
- 20x23x1 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.50" x 22.50" x 0.75")
$68.94
5
Best Value

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Filterbuy 16x20x4 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 19.50 x 3.63 Inches)

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$53.04

More Details
Main highlights
- MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from mold, pollen, and more while trapping 90% of dust particles without impacting air flow
- Industrial grade components are 100% manufactured in the United States and designed with recyclable materials
- High quality construction features an electrostatically charged design with 8 pleats per foot that captures more harmful particles and lasts 3x longer than fiberglass models (replace every 90 days for best performance)
- Easy installation beverage board frames with dual wire backings improve structural integrity and outperform standard cardboard designs by resisting extreme temperatures
- 16x20x4 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 15.50" x 19.50" x 3.63"), also compatible with White Rodgers (ACM1000M, ACM1000M-108, FR1000M-108, FR1000M-111)
$53.04

Best furnace filters - April 2025

Filterbuy 20x25x4 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 3.63 Inches)

Filterbuy 24x24x2 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 23.38 x 23.38 x 1.75 Inches)

Filterbuy 20x25x4 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 24.50 x 3.63 Inches)

Filterbuy 20x23x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 22.50 x 0.75 Inches)

Filterbuy 16x20x4 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 19.50 x 3.63 Inches)

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Filterbuy 16x25x4 Air Filter MERV 13 Optimal Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 x 24.50 x 3.63 Inches)

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Filtrete 14x24x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size13.81x23.81x0.81 in)

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Filtrete 16x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 15.719 x 24.72 x 0.84 in)

Aerostar 20x20x1 Air Filter MERV 8 (For Allergies, Dust, Lint, Mold & Pet Dander) - Electrostatic MPR 600 & FPR 5 - Pleated HVAC AC Furnace Air Filters - Pack of 6

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