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.

Newegg

Air Filter 21 1/2 x 23 1/2 x 1 MERV 11 Furnace Filter, 4 Pack AC Filter & HVAC, Actual Size (21 1/2 x 23 1/2 x 3/4), MPR 1200/FPR 7, For Dust,...

$159.99

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Newegg

Air Filter 20 x 22 1/4 x 1 MERV 11 Furnace Filter, 6 Pack AC Filter & HVAC, Actual Size (19 7/8 x 22 1/4 x 3/4), MPR 1200/FPR 7, For Dust, Pollen,...

$163.99

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Newegg

Lennox 19L16-16' x 25' x 5' HCF16-13 Air filter, MERV 13 (2-Pack)

$171.99

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Newegg

16x25x5 (SlimFit) AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus, Electrostatic Air Cleaning Filter, 2-Pack (Actual...

$175.99

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Newegg

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

$175.99

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Newegg

ZL 20x20x2 MERV 10 AC & Furnace Filters. 12-Pack Exact Size: 19-1/2 x 19-1/2 x 1-3/4, Rating: MERV 10, MPR 800, FPR 7, Durable Heavy-Duty Frame,...

$177.99

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Newegg

ZL 20x25x4 MERV 10 AC & Furnace Filters. 6-Pack Exact Size: 19-1/2 x 24-1/2 x 3-3/4, Rating: MERV 10, MPR 800, FPR 7, Durable Heavy-Duty Frame,...

$179.99

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Newegg

2-pack 6672 16X25X5 MERV 16 Filter Compatible with Lennox 16X25X5 and Lennox HCC16-28 Healthy Climate Carbon Clean MERV 16 Home Furnace Filter for...

$179.99

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Newegg

20x25x1 Air Filter, MERV 12, MPR 1500, Allergens, Bacteria & Viruses, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 6 HVAC Filters...

$185.99

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Newegg

Air Filter 12x14x1 MERV 13 AC Filter, Furnace Filter, 6 Pack HVAC, MPR 1500/FPR 10, For Dust, Pet Dander, Bacteria & Allergies

$187.99

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Newegg

ZL 20x24x4 MERV 10 AC & Furnace Filters. 6-Pack Exact Size: 19-3/8 x 23-3/8 x 3-3/4, Rating: MERV 10, MPR 800, FPR 7, Durable Heavy-Duty Frame,...

$189.99

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Newegg

Air Filter 20x25x4 MERV 8 AC Filter, HVAC, Furnace Filter, 6 Pack ACTUAL SIZE (19.50 x 24.50 x 3.75) AC Filter, HVAC, Furnace Filter Captures Dust,...

$194.99

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Newegg

X6672 16x25x5 Healthy Climate Carbon-Clean MERV 16 Filter Bundle with Same Day Supply Filter Change Reminder Magnet (1-Pack)

$194.99

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Newegg

20x25x6 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria & Virus, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size...

$199.99

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Newegg

ZORO SELECT 30PT34 33 in x 65 ft x 1 in Polyester Air Filter Roll, MERV 5,

$296.99

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Newegg

21 1/2 x 23 3/8 x 1 ac and furnace air filter by aerostar - merv 11, box of 12

$335.04

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Newegg

21 1/2 x 23 3/8 x 1 ac and furnace air filter by aerostar - merv 11, box of 12

$335.05

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Newegg

ZORO SELECT 6B683 69 in x 65 ft x 1 in Polyester Air Filter Roll, MERV 6, White

$420.99

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Newegg

ZORO SELECT 6C526 Paint Collector Air Filter Roll, 36 in x 260 ft x 3 in, MERV

$539.99

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