Things that run out › Furnace & HVAC filters

Furnace & HVAC filters

Pleated air filters by nominal size and MERV rating. Replaced every one to three months depending on rating.

307 listed · often reordered every few months

Prices are the last we saw from the retailer and can change without warning. Cheapest first.

Air Filter 21x21x1 MERV 11 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (20.88 x 20.88 x 0.75) AC Filter, Furnace Filter, Dust, Pet Dander,...
Newegg

Air Filter 21x21x1 MERV 11 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (20.88 x 20.88 x 0.75) AC Filter, Furnace Filter, Dust, Pet Dander,...

$116.99
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ZORO SELECT 6U593 24 in x 85 ft x 2 in Fiberglass Air Filter Roll, MERV 5,
Newegg

ZORO SELECT 6U593 24 in x 85 ft x 2 in Fiberglass Air Filter Roll, MERV 5,

$117.99
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TruFilter 20x20x4 (19.5 x 19.5 x 3.63 Slim Fit) MERV 13 Air Filter (2-Pack) - MADE IN USA - Air Conditioner HVAC AC Furnace Filters Health,...
Newegg

TruFilter 20x20x4 (19.5 x 19.5 x 3.63 Slim Fit) MERV 13 Air Filter (2-Pack) - MADE IN USA - Air Conditioner HVAC AC Furnace Filters Health,...

$117.99
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Air Filter 20x22x1 MERV 8 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (19.75 x 21.75 x 0.75) AC Filter, HVAC, Furnace Filter Captures Dust,...
Newegg

Air Filter 20x22x1 MERV 8 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (19.75 x 21.75 x 0.75) AC Filter, HVAC, Furnace Filter Captures Dust,...

$117.99
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20x25x5 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size...
Newegg

20x25x5 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus Filter, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size...

$119.24
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20x20x3 MERV 13 Air Filter Compatible with Zephyr VGF Series 20x20x3 Whole Home Deep Pleated Return Air Grille Filter, MERV 13 Air Filtration...
Newegg

20x20x3 MERV 13 Air Filter Compatible with Zephyr VGF Series 20x20x3 Whole Home Deep Pleated Return Air Grille Filter, MERV 13 Air Filtration...

$119.99
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Air Filter 14x30x1 MERV 13 AC Filter, HVAC, Furnace Filter, 4 Pack ACTUAL SIZE (13.50 x 29.50 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...
Newegg

Air Filter 14x30x1 MERV 13 AC Filter, HVAC, Furnace Filter, 4 Pack ACTUAL SIZE (13.50 x 29.50 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...

$119.99
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14x20x1 Air Filter, MERV 14, MPR 2800, 2 HVAC Filters Ultrafine Particle Reduction, 3-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow,...
Newegg

14x20x1 Air Filter, MERV 14, MPR 2800, 2 HVAC Filters Ultrafine Particle Reduction, 3-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow,...

$120.99
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X6670 - (2-Pack) Healthy Climate 16' x 25' x 5' OEM HCF16-11 Air Filter, MERV 11
Newegg

X6670 - (2-Pack) Healthy Climate 16' x 25' x 5' OEM HCF16-11 Air Filter, MERV 11

$120.99
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20x25x1 Air Filter MERV 14, MPR 2800 Healthy Living Ultrafine Particle 2-Pack, AC Furnace HVAC Filters for Home, 3-Month Pleated Electrostatic...
Newegg

20x25x1 Air Filter MERV 14, MPR 2800 Healthy Living Ultrafine Particle 2-Pack, AC Furnace HVAC Filters for Home, 3-Month Pleated Electrostatic...

$121.99
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Air Filter 18x18x1 MERV 13 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (17.50 x 17.50 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...
Newegg

Air Filter 18x18x1 MERV 13 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (17.50 x 17.50 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...

$121.99
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Air Filter 14x20x1 MERV 13 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (13.50 x 19.50 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...
Newegg

Air Filter 14x20x1 MERV 13 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (13.50 x 19.50 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...

$121.99
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16x20x1 Air Filter, MERV 12, MPR 1500, Allergens, Bacteria & Viruses, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 4 HVAC Filters...
Newegg

16x20x1 Air Filter, MERV 12, MPR 1500, Allergens, Bacteria & Viruses, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 4 HVAC Filters...

$122.99
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20x25x1 Air Filter, MERV 13 MPR 1900, Allergens, Bacteria, Viruses & Air Pollutants, 3-Month AC/Furnace Filters, Cleaner Air Reliable Airflow, 4...
Newegg

20x25x1 Air Filter, MERV 13 MPR 1900, Allergens, Bacteria, Viruses & Air Pollutants, 3-Month AC/Furnace Filters, Cleaner Air Reliable Airflow, 4...

$123.99
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Air Filter 20x30x1 MERV 13 AC Filter, HVAC, Furnace Filter, 4 Pack ACTUAL SIZE (19.75 x 29.75 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...
Newegg

Air Filter 20x30x1 MERV 13 AC Filter, HVAC, Furnace Filter, 4 Pack ACTUAL SIZE (19.75 x 29.75 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...

$123.99
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Air Filter 20x30x1 MERV 11 AC Filter, HVAC, Furnace Filter, 4 Pack ACTUAL SIZE (19.75 x 29.75 x 0.75) AC Filter, Furnace Filter, Dust, Pet Dander,...
Newegg

Air Filter 20x30x1 MERV 11 AC Filter, HVAC, Furnace Filter, 4 Pack ACTUAL SIZE (19.75 x 29.75 x 0.75) AC Filter, Furnace Filter, Dust, Pet Dander,...

$124.99
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16.5x21.5x1 MERV 13-6 Count - Pleated HVAC, Furnace & Air Conditioner Filters - Removes Bacteria, Dust, Germs, Lint, Mold, Pet Dander,...
Newegg

16.5x21.5x1 MERV 13-6 Count - Pleated HVAC, Furnace & Air Conditioner Filters - Removes Bacteria, Dust, Germs, Lint, Mold, Pet Dander,...

$126.99
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12x12x1 MERV 8 Air Filter,ACTUAL SIZE (11.75 x 11.75 x 0.75),HVAC,Air Conditioning & Furnace Filter Captures Dust,Lint & Pollen (MPR 600 / FPR...
Newegg

12x12x1 MERV 8 Air Filter,ACTUAL SIZE (11.75 x 11.75 x 0.75),HVAC,Air Conditioning & Furnace Filter Captures Dust,Lint & Pollen (MPR 600 / FPR...

$128.99
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Air Filter 16.375x21.5x1 MERV 13 AC Filter, Furnace Filter, 6 Pack ACTUAL SIZE (16.50 x 21.50 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...
Newegg

Air Filter 16.375x21.5x1 MERV 13 AC Filter, Furnace Filter, 6 Pack ACTUAL SIZE (16.50 x 21.50 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...

$128.99
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TruFilter 16x25x4 (15.5 x 24.5 x 3.63 Slim Fit) MERV 13 Air Filter (2-Pack) - MADE IN USA - Air Conditioner HVAC AC Furnace Filters Health,...
Newegg

TruFilter 16x25x4 (15.5 x 24.5 x 3.63 Slim Fit) MERV 13 Air Filter (2-Pack) - MADE IN USA - Air Conditioner HVAC AC Furnace Filters Health,...

$132.99
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FC100A1029 (2 Pack) - 16' x 25' x 4' Pleated Air Filter, MERV 11 Bundle with Same Day Supply Filter Change Reminder
Newegg

FC100A1029 (2 Pack) - 16' x 25' x 4' Pleated Air Filter, MERV 11 Bundle with Same Day Supply Filter Change Reminder

$133.99
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20x20x1 Air Filter, MERV 13 MPR 1900, Allergens, Bacteria, Viruses & Air Pollutants, 3-Month AC/Furnace Filters, Cleaner Air Reliable Airflow, 4...
Newegg

20x20x1 Air Filter, MERV 13 MPR 1900, Allergens, Bacteria, Viruses & Air Pollutants, 3-Month AC/Furnace Filters, Cleaner Air Reliable Airflow, 4...

$133.99
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14x25x1 Air Filter, MERV 12, MPR 1500, Allergens, Bacteria & Viruses, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 4 HVAC Filters...
Newegg

14x25x1 Air Filter, MERV 12, MPR 1500, Allergens, Bacteria & Viruses, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 4 HVAC Filters...

$134.99
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20x30x3 MERV 13 Air Filter Compatible with Zephyr VGF Series 20x30x3 Whole Home Deep Pleated Return Air Grille Filter, MERV 13 Air Filtration...
Newegg

20x30x3 MERV 13 Air Filter Compatible with Zephyr VGF Series 20x30x3 Whole Home Deep Pleated Return Air Grille Filter, MERV 13 Air Filtration...

$134.99
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