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Lennox Furnace filter media installs in your furnace system to protect the efficiency and your health.

Lennox Furnace Filters full product list:


Filters Fast® FF20255X6673M11 Replacement for Lennox X6673 MERV11, 20x25x5 - 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $70.99

Our Price: $54.95

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Lennox X6673 MERV 11 HCF20-11 HCF20-16 Filter Replacement-20x25x5
In Stock!
Ships in 2 to 3 business days.

Retail: $80.99

Our Price: $49.95

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Filters Fast®  FF16255X6670M11 Replacement for Lennox X6670 MERV11, 16x25x5 - 2-Pack
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Ships in 1 to 2 business days.

Retail: $70.99

Our Price: $47.95

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Lennox X6670 MERV 11 Pleated Filter Media-16x25x5
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Ships in 2 to 3 business days.

Retail: $80.99

As Low As: $43.95

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Lennox Y6605 16x26x5 MERV 16 PureAir 100908-11 for PCO3-16-16
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within the continental U.S.

In Stock!
Ships in 2 to 3 business days.

Retail: $159.99

Our Price: $125.99

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Lennox X6675 MERV 16 Furnace Filter Replacement for HCC20-28
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within the continental U.S.

In Stock!
Ships in 2 to 3 business days.

Retail: $210.99

Our Price: $149.95

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Lennox X6672 HCF16-16 Healthy Climate 16x25x5 MERV16 Filter
In Stock!
Ships in 2 to 3 business days.

Retail: $159.99

Our Price: $96.95

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Lennox X0585 MERV 11 Pleated Media Filter - HCC14 Genuine Part
In Stock!
Ships in 2 to 3 business days.

Retail: $80.99

As Low As: $48.95

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Filters Fast® FF16255X6670M13 Replacement for Lennox X6670 MERV13, 16x25x5 - 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $90.99

Our Price: $56.95

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Lennox X8788 MERV 16 PureAir Filter Replacement
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within the continental U.S.

In Stock!
Ships in 3 to 4 business days.

Retail: $189.99

Our Price: $135.95

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Lennox X0586 MERV 11 Pleated Media Filter
In Stock!
Ships in 1 to 2 business days.

Retail: $80.99

As Low As: $44.95

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Filters Fast®  Replacement for Lennox X0585, 20x20x5 - 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $70.99

Our Price: $55.95

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Filters Fast® FF20255X6673M13 Replacement for Lennox X6673 MERV13, 20x25x5 - 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $90.99

Our Price: $69.95

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Lennox X0583 16x25x5 MERV 11 Air Cleaner Media Filter
In Stock!
Ships in 2 to 3 business days.

Retail: $80.99

Our Price: $49.99

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Lennox X7935 MERV16 Healthy Climate HCF14-16 Filter Replacement
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within the continental U.S.

In Stock!
Ships in 1 to 2 business days.

Retail: $199.99

Our Price: $149.95

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Lennox X6667 MERV 10 Air Filter Media Replacement
In Stock!
Ships in 3 to 4 business days.

Retail: $80.99

Our Price: $52.95

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Filters Fast®  FF20255X6673M8 Replacement for Lennox X6673 MERV8, 20x25x5 - 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $59.99

Our Price: $48.95

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Lennox HC X6664 MERV 10 Air Filter Replacement
In Stock!
Ships in 1 to 2 business days.

Retail: $64.99

Our Price: $42.95

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Lennox X0445 MERV 10 PMAC-20C Pleated Furnace Filter Media
In Stock!
Ships in 3 to 4 business days.

Retail: $80.99

As Low As: $47.95

Save 41%!

Lennox X8790 PCO14-23 MERV 16 Air Filter Replacement
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within the continental U.S.

In Stock!
Ships in 3 to 4 business days.

Retail: $179.99

Our Price: $129.95

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Lennox X0444 MERV 10 Pleated Furnace Filter Media PMAC-12C
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Ships in 3 to 4 business days.

Retail: $80.99

Our Price: $52.95

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Lennox X4138 HEPA 40-60 Carbon PreFilter
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Ships in 3 to 4 business days.

Retail: $70.99

Our Price: $46.95

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Lennox X8310 MERV 11 Expandable Filter Replacement
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Ships in 2 to 3 business days.

Retail: $74.99

Our Price: $49.95

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Filters Fast® Replacement for Lennox X0585 20x20x5, MERV13 - 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $85.99

Our Price: $70.95

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Lennox X8789 PureAir PCO16-28 MERV 16 Filter Genuine Lennox Part
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within the continental U.S.

In Stock!
Ships in 2 to 3 business days.

Retail: $229.99

Our Price: $156.95

Save 32%!

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