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.

Glasfloss ZL 18x18x2 MERV 10 Pleated 2 Inch Air Filters. Box of 6. Actual Size: 17-1/2 x 17-1/2 x 1-3/4
Newegg

Glasfloss ZL 18x18x2 MERV 10 Pleated 2 Inch Air Filters. Box of 6. Actual Size: 17-1/2 x 17-1/2 x 1-3/4

$59.97
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Glasfloss ZL 24x24x1 MERV 10 Pleated Air Filters. Box of 6. Actual Size: 23-3/8 x 23-3/8 x 7/8
Newegg

Glasfloss ZL 24x24x1 MERV 10 Pleated Air Filters. Box of 6. Actual Size: 23-3/8 x 23-3/8 x 7/8

$59.97
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TruFilter 10x30x1 Air Filter MERV 8 (4-Pack) - MADE IN USA Dust & Pet Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for...
Newegg

TruFilter 10x30x1 Air Filter MERV 8 (4-Pack) - MADE IN USA Dust & Pet Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for...

$59.99
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20x20x1 Air Filter, Merv 13, 4 Pack, For Home AC Furnace & HVAC (Actual Size: 19.75'x19.75'x0.75') DUST, Pet, & Allergy Control
Newegg

20x20x1 Air Filter, Merv 13, 4 Pack, For Home AC Furnace & HVAC (Actual Size: 19.75'x19.75'x0.75') DUST, Pet, & Allergy Control

$59.99
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20x25x1 Air Filter 4 Pack, MERV 11 Dust & Pet Dander Defense Electrostatic Pleated HVAC AC Furnace Filters Replacement for Home (Actual Size...
Newegg

20x25x1 Air Filter 4 Pack, MERV 11 Dust & Pet Dander Defense Electrostatic Pleated HVAC AC Furnace Filters Replacement for Home (Actual Size...

$59.99
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20x20x2 Air Filter, MERV 13, 2 Pack, Furnace Air Filter for HVAC (Actual Size: 19.5'x19.5'x0.75') DUST, Pet & Allergy Control
Newegg

20x20x2 Air Filter, MERV 13, 2 Pack, Furnace Air Filter for HVAC (Actual Size: 19.5'x19.5'x0.75') DUST, Pet & Allergy Control

$59.99
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20x25x4 Air Filter, MERV 8, 2 Pack, Furnace Air Filter for HVAC (Actual Size:19.5'x24.5'x3.63') DUST, Pet, & Allergy Control
Newegg

20x25x4 Air Filter, MERV 8, 2 Pack, Furnace Air Filter for HVAC (Actual Size:19.5'x24.5'x3.63') DUST, Pet, & Allergy Control

$59.99
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16x25x4 Air Filter MERV 8, 2 Pack, For Home AC Furnace & HVAC (Actual Size: 15.5'x24.5'x3.63') DUST Pet & Allergy Control
Newegg

16x25x4 Air Filter MERV 8, 2 Pack, For Home AC Furnace & HVAC (Actual Size: 15.5'x24.5'x3.63') DUST Pet & Allergy Control

$59.99
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Lennox X6670 16x25x5 Air Filter MERV 11 HVAC AC Furnace Filters, Lennox Filter for Home with Cleaning Cloth, (Actual Size: 15.75 x 24.75 x 4.38...
Newegg

Lennox X6670 16x25x5 Air Filter MERV 11 HVAC AC Furnace Filters, Lennox Filter for Home with Cleaning Cloth, (Actual Size: 15.75 x 24.75 x 4.38...

$59.99
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20x25x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters for Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (Actual...
Newegg

20x25x1 Air Filter MERV 5, 6-Pack AC Furnace HVAC Filters for Home, MPR 300 Basic Dust Defense, Pleated Electrostatic Removes Lint & Dust (Actual...

$59.99
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Air Filter 16x25x1 MERV 13 AC Filter, HVAC, Furnace Filter, 4 Pack ACTUAL SIZE (15.75 x 24.75 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...
Newegg

Air Filter 16x25x1 MERV 13 AC Filter, HVAC, Furnace Filter, 4 Pack ACTUAL SIZE (15.75 x 24.75 x 0.75) AC Filter, Furnace Filter, Allergies, Dust,...

$59.99
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BESTAIR PRO G5-1625-11-2 16x25x5 Synthetic Furnace Air Cleaner Filter, MERV 11
Newegg

BESTAIR PRO G5-1625-11-2 16x25x5 Synthetic Furnace Air Cleaner Filter, MERV 11

$60.19
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16 x 28 x 4 Furnace Filter, MERV 11 HVAC Ac Filters,12-Month Electrostatic Pleated Air Conditioner Filters, 2-Pack (Actual Size: 16.34 x 27.76 x...
Newegg

16 x 28 x 4 Furnace Filter, MERV 11 HVAC Ac Filters,12-Month Electrostatic Pleated Air Conditioner Filters, 2-Pack (Actual Size: 16.34 x 27.76 x...

$60.90
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Glasfloss ZL 16x24x2 MERV 10 Pleated 2 Inch Air Filters. Box of 6. Actual Size: 15-1/2 x 23-1/2 x 1-3/4
Newegg

Glasfloss ZL 16x24x2 MERV 10 Pleated 2 Inch Air Filters. Box of 6. Actual Size: 15-1/2 x 23-1/2 x 1-3/4

$60.97
View at retailer →
Glasfloss ZL 18x20x2 MERV 10 Pleated 2 Inch Air Filters. Box of 6. Actual Size: 17-1/2 x 19-1/2 x 1-3/4
Newegg

Glasfloss ZL 18x20x2 MERV 10 Pleated 2 Inch Air Filters. Box of 6. Actual Size: 17-1/2 x 19-1/2 x 1-3/4

$60.97
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Air Filter 20x22x1 MERV 6 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (19.75 x 21.75 x 0.75) AC Filter, HVAC, Furnace Filter for Dust, Lint...
Newegg

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

$61.49
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Glasfloss ZL 16x16x2 MERV 10 Pleated 2 Inch Air Filters. Box of 6. Actual Size: 15-1/2 x 15-1/2 x 1-3/4
Newegg

Glasfloss ZL 16x16x2 MERV 10 Pleated 2 Inch Air Filters. Box of 6. Actual Size: 15-1/2 x 15-1/2 x 1-3/4

$61.97
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Glasfloss ZL 20x24x2 MERV 10 Pleated 2 Inch Air Filters. Box of 6. Actual Size: 19-3/8 x 23-3/8 x 1-3/4
Newegg

Glasfloss ZL 20x24x2 MERV 10 Pleated 2 Inch Air Filters. Box of 6. Actual Size: 19-3/8 x 23-3/8 x 1-3/4

$61.97
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Air Filter 19.875x21.5x1 MERV 8 AC Filter, Furnace Filter, 4 Pack ACTUAL SIZE (19.875 x 21.50 x 0.75) AC Filter, HVAC, Furnace Filter Captures...
Newegg

Air Filter 19.875x21.5x1 MERV 8 AC Filter, Furnace Filter, 4 Pack ACTUAL SIZE (19.875 x 21.50 x 0.75) AC Filter, HVAC, Furnace Filter Captures...

$62.24
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Glasfloss ZL 16x30x1 MERV 10 Pleated Air Filters. Box of 6. Actual Size: 15-5/8 x 29-5/8 x 7/8
Newegg

Glasfloss ZL 16x30x1 MERV 10 Pleated Air Filters. Box of 6. Actual Size: 15-5/8 x 29-5/8 x 7/8

$62.97
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Lennox X6673 20x25x5 Air Filter MERV 11 HVAC AC Furnace Filters, Lennox Filter for Home with Cleaning Cloth, (Actual Size: 19.75 x 24.75 x 4.38...
Newegg

Lennox X6673 20x25x5 Air Filter MERV 11 HVAC AC Furnace Filters, Lennox Filter for Home with Cleaning Cloth, (Actual Size: 19.75 x 24.75 x 4.38...

$62.99
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BestAir BA2-1625-8 AC Furnace Air Filter 16x25x2 MERV 8, 6 Pack
Newegg

BestAir BA2-1625-8 AC Furnace Air Filter 16x25x2 MERV 8, 6 Pack

$63.48
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Glasfloss ZL 18x25x2 MERV 10 Pleated 2 Inch Air Filters. Box of 6. Actual Size: 17-1/2 x 24-1/2 x 1-3/4
Newegg

Glasfloss ZL 18x25x2 MERV 10 Pleated 2 Inch Air Filters. Box of 6. Actual Size: 17-1/2 x 24-1/2 x 1-3/4

$63.97
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Air Filter 13 x 21 1/2 x 1 MERV 8 Furnace Filter, 4 Pack AC Filter & HVAC, Actual Size (12 7/8 x 21 1/2 x 3/4), MPR 600/FPR 5, For Dust, Pollen,...
Newegg

Air Filter 13 x 21 1/2 x 1 MERV 8 Furnace Filter, 4 Pack AC Filter & HVAC, Actual Size (12 7/8 x 21 1/2 x 3/4), MPR 600/FPR 5, For Dust, Pollen,...

$64.49
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