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 20x25x1 MERV 13 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (19.75 x 24.75 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...
Newegg

Air Filter 20x25x1 MERV 13 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (19.75 x 24.75 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...

$103.99
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TruFilter 20x25x4 (19.5 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 20x25x4 (19.5 x 24.5 x 3.63 Slim Fit) MERV 13 Air Filter (2-Pack) - MADE IN USA - Air Conditioner HVAC AC Furnace Filters Health,...

$104.99
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Air Filter 20x25x1 MERV 8 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (19.75 x 24.75 x 0.75) AC Filter, HVAC, Furnace Filter Captures Dust,...
Newegg

Air Filter 20x25x1 MERV 8 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (19.75 x 24.75 x 0.75) AC Filter, HVAC, Furnace Filter Captures Dust,...

$104.99
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20x20x3 MERV 11 Air Filter Compatible with Zephyr VGF Series 20x20x3 Whole Home Deep Pleated Return Air Grille Filter, MERV 11 Air Filtration...
Newegg

20x20x3 MERV 11 Air Filter Compatible with Zephyr VGF Series 20x20x3 Whole Home Deep Pleated Return Air Grille Filter, MERV 11 Air Filtration...

$104.99
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glasfloss industries zlp24244 z-line series zl merv 10 pleated filter, 6-case
Newegg

glasfloss industries zlp24244 z-line series zl merv 10 pleated filter, 6-case

$105.00
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Air Filter 12x24x1 MERV 13 AC Filter, HVAC, Furnace Filter, 4 Pack ACTUAL SIZE (11.75 x 23.75 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...
Newegg

Air Filter 12x24x1 MERV 13 AC Filter, HVAC, Furnace Filter, 4 Pack ACTUAL SIZE (11.75 x 23.75 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...

$106.99
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Allergen & Pet Dander 20x22x1 MERV 11 Pleated Air Filter (Actual Size: 19 3/4'x21 3/4'x3/4'), 4-Pack
Newegg

Allergen & Pet Dander 20x22x1 MERV 11 Pleated Air Filter (Actual Size: 19 3/4'x21 3/4'x3/4'), 4-Pack

$106.99
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20 x 25 x 4 Furnace Filter, MERV 11 HVAC Ac Filters,12-Month Electrostatic Pleated Air Conditioner Filters, 4-Pack (Actual Size: 20.47 x 25.20 x...
Newegg

20 x 25 x 4 Furnace Filter, MERV 11 HVAC Ac Filters,12-Month Electrostatic Pleated Air Conditioner Filters, 4-Pack (Actual Size: 20.47 x 25.20 x...

$107.90
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20x25x1 AC Furnace Air Filter, MPR 700, MERV 8, Tough on Pollen, Easy on Airflow, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack...
Newegg

20x25x1 AC Furnace Air Filter, MPR 700, MERV 8, Tough on Pollen, Easy on Airflow, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack...

$107.99
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Air Filter 16x20x1 MERV 13 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (15.50 x 19.50 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...
Newegg

Air Filter 16x20x1 MERV 13 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (15.50 x 19.50 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...

$107.99
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16x25x4 (SlimFit) AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus, Electrostatic Air Cleaning Filter, 2-Pack (Actual...
Newegg

16x25x4 (SlimFit) AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus, Electrostatic Air Cleaning Filter, 2-Pack (Actual...

$108.74
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16x20x1 AC Furnace Air Filter, MERV 14, MPR 2800, Ultrafine Particle Premium Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter,...
Newegg

16x20x1 AC Furnace Air Filter, MERV 14, MPR 2800, Ultrafine Particle Premium Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter,...

$109.99
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Air Filter 18x20x1 MERV 13 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (17.50 x 19.50 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...
Newegg

Air Filter 18x20x1 MERV 13 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (17.50 x 19.50 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...

$109.99
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Air Filter 16.375x21.5x1 MERV 11 AC Filter, Furnace Filter, 6 Pack ACTUAL SIZE (16.50 x 21.50 x 0.75) AC Filter, Furnace Filter, Dust, Pet Dander,...
Newegg

Air Filter 16.375x21.5x1 MERV 11 AC Filter, Furnace Filter, 6 Pack ACTUAL SIZE (16.50 x 21.50 x 0.75) AC Filter, Furnace Filter, Dust, Pet Dander,...

$110.99
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20x25x1 Air Filter, MERV 11, MPR 1000, Allergens and Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 6 HVAC Filters,...
Newegg

20x25x1 Air Filter, MERV 11, MPR 1000, Allergens and Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 6 HVAC Filters,...

$111.99
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Air Filter 16.375x21.5x1 MERV 13 AC Filter, Furnace Filter, 4 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, 4 Pack ACTUAL SIZE (16.50 x 21.50 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...

$111.99
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Air Filter 12x24x1 MERV 6 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (11.75 x 23.75 x 0.75) AC Filter, HVAC, Furnace Filter for Dust, Lint...
Newegg

Air Filter 12x24x1 MERV 6 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (11.75 x 23.75 x 0.75) AC Filter, HVAC, Furnace Filter for Dust, Lint...

$111.99
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Air Filter 20x22x1 MERV 13 AC Filter, HVAC, Furnace Filter, 4 Pack ACTUAL SIZE (19.75 x 21.75 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...
Newegg

Air Filter 20x22x1 MERV 13 AC Filter, HVAC, Furnace Filter, 4 Pack ACTUAL SIZE (19.75 x 21.75 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...

$111.99
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24x24x4 Air Filter, MERV 11, MPR 1000, 2 Pack, Furnace Air Filter for HVAC (Actual Size: 23.5'x23.5'x3.63') DUST, Pet & Allergy Control
Newegg

24x24x4 Air Filter, MERV 11, MPR 1000, 2 Pack, Furnace Air Filter for HVAC (Actual Size: 23.5'x23.5'x3.63') DUST, Pet & Allergy Control

$111.99
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Air Filter 16 1/2 x 21 1/2 x 1 MERV 13 Furnace Filter, 4 Pack AC Filter & HVAC, Actual Size (16 1/2 x 21 1/2 x 3/4), MPR 1500/FPR 10, For Dust, Pet...
Newegg

Air Filter 16 1/2 x 21 1/2 x 1 MERV 13 Furnace Filter, 4 Pack AC Filter & HVAC, Actual Size (16 1/2 x 21 1/2 x 3/4), MPR 1500/FPR 10, For Dust, Pet...

$113.99
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14x25x1 Air Filter, MERV 14, MPR 2800, 2 HVAC Filters Ultrafine Particle Reduction, 3-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow,...
Newegg

14x25x1 Air Filter, MERV 14, MPR 2800, 2 HVAC Filters Ultrafine Particle Reduction, 3-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow,...

$114.99
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20x20x1 Air Filter, MERV 14, MPR 2800, 2 HVAC Filters Ultrafine Particle Reduction, 3-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow,...
Newegg

20x20x1 Air Filter, MERV 14, MPR 2800, 2 HVAC Filters Ultrafine Particle Reduction, 3-Month AC/Furnace Filters, Cleaner Air, Reliable Airflow,...

$115.99
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20 x 25 x 4 Furnace Filter, MERV 13 HVAC Ac Filters,12-Month Electrostatic Pleated Air Conditioner Filters, 4-Pack (Actual Size: 20.47 x 25.20 x...
Newegg

20 x 25 x 4 Furnace Filter, MERV 13 HVAC Ac Filters,12-Month Electrostatic Pleated Air Conditioner Filters, 4-Pack (Actual Size: 20.47 x 25.20 x...

$116.90
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