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Looking for a replacement Lennox air filter for your house? Filters Fast carries a large selection of Lennox filter replacements.

Lennox Product List:


Lennox 64X56 UV Air Purifier Replacement Lamp UV-1000 and UV-1023
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within the continental U.S.

In Stock!
Ships in 2 to 3 business days.

Retail: $149.99

As Low As: $119.95

Save 20%!

X0585 M8 2-Pack Filters Fast® Replacement for Lennox X0585 20x20x5
In Stock!
Ships in 1 to 2 business days.

Retail: $69.99

Our Price: $52.95

Save 24%!

X6670 Filters Fast® FF16255X6670M8 Replacement for Lennox X6670 MERV8, 16x25x5 - 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $69.99

Our Price: $52.95

Save 24%!

Lennox X0586 2 Pack by Filters Fast® Replacement for Lennox X0586, 20x25x5
In Stock!
Ships in 1 to 2 business days.

Retail: $89.99

Our Price: $66.95

Save 26%!

Y6605 Filters Fast Replacement for Lennox Y6605 26x16x5 MERV 16 Furnace & AC Air Filter
In Stock!
Ships in 2 to 3 business days.

Retail: $174.99

As Low As: $99.99

Save 43%!

Filters Fast® A35PR Replacement for Lennox WB2-17 and WB2-18 Filter
In Stock!
Ships in 1 business day

Retail: $19.99

As Low As: $13.95

Save 30%!

X0585 M13 Filters Fast® Replacement for Lennox X0585 20x20x5, MERV13 - 2-Pack
In Stock!
Ships in 1 to 2 business days.

Retail: $99.99

Our Price: $79.95

Save 20%!

X8789 Filters Fast® Replacement for Lennox X8789 26x16x5 MERV 16 Furnace & AC Air Filter
In Stock!
Ships in 2 to 3 business days.

Retail: $169.99

As Low As: $109.95

Save 35%!

Lennox Y6616 PCO3-14-16 PureAir Annual Maintenance Kit 612988-03
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within the continental U.S.

In Stock!
Ships in 2 to 3 business days.

Retail: $349.99

Our Price: $248.95

Save 29%!

Lennox X2660 Humidifier Water Panel Filter
In Stock!
Ships in 5 to 6 business days.

Retail: $45.99

Our Price: $20.95

Save 54%!

Lennox X0582 MERV 11 Air Cleaner Media Filter
In Stock!
Ships in 2 to 3 business days.

Retail: $79.99

Our Price: $52.95

Save 34%!

Filters Fast® A35PR Replacement For Lennox WB2-17 WB2-18
In Stock!
Ships in 1 business day

Retail: $19.99

As Low As: $13.95

Save 30%!

Lennox X2678 HEPA 20 Charcoal Carbon Filter
In Stock!
Ships in 4 to 5 business days.

Retail: $59.99

Our Price: $48.95

Save 18%!

Lennox Y6595 PureAir PCO3-20-16 Air Purification Filter System
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within the continental U.S.

In Stock!
Ships in 5 to 6 business days.

Retail: $1,300.99

Our Price: $949.99

Save 27%!

Lennox X8311 MERV 10 Expandable Filter Replacement for HCXF14
In Stock!
Ships in 2 to 3 business days.

Retail: $69.99

As Low As: $45.95

Save 34%!

Lennox X0444 MERV 10 Pleated Furnace Filter Media PMAC-12C
In Stock!
Ships in 2 to 3 business days.

Retail: $89.99

As Low As: $64.95

Save 28%!

Lennox X1152 MERV 11 Pleated Media Furnace Filter MF1-20
In Stock!
Ships in 1 to 2 business days.

Retail: $69.99

As Low As: $42.95

Save 39%!

Lennox X0581 3-Pack 16x25x3, MERV11 by Filters Fast
In Stock!
Ships in 1 to 2 business days.

Retail: $80.99

Our Price: $69.95

Save 14%!

Filters Fast® A10PR R Replacement for Lennox WB2-12 Humidifier Filter
In Stock!
Ships in 1 business day

Retail: $19.99

As Low As: $14.95

Save 25%!

Lennox Y0391 UV Filtration Lamp Replacement - Genuine Lennox Part
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within the continental U.S.

In Stock!
Ships in 2 to 3 business days.

Retail: $139.99

Our Price: $98.95

Save 29%!

Lennox 6-3636L 38" AC Condensate Drain Pan
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 3 to 4 business days.

Retail: $200.99

Our Price: $185.99

Save 7%!

Lennox X0581 MERV 10 Pleated Furnace Filter Media
In Stock!
Ships in 1 to 2 business days.

Retail: $79.99

Our Price: $61.95

Save 23%!

Lennox Y6607 PureAir 613860-01 Replacement for PC03-20 PC03-16
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 2 to 3 business days.

Retail: $149.99

Our Price: $109.95

Save 27%!

Lennox Y2786 HCWB3-17 Whole House Humidifier 17 Gallons Per Day
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 5 to 6 business days.

Retail: $399.99

As Low As: $247.95

Save 38%!

Lennox Y2788 HCWP3-18 Whole House Humidifier 18 GPD
FREE SHIPPING!

within the continental U.S.

In Stock!
Ships in 5 to 6 business days.

Retail: $449.99

Our Price: $348.95

Save 22%!

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Filters Fast offers economy free shipping every day on U.S. orders over $99 when shipping to the lower 48 states. This free shipping offer excludes Alaska and Hawaii, P.O. Box or APO/FPO/DPO and international orders. Orders under $99 ship for a fee to most destinations within the contiguous United States (excluding Hawaii and Alaska).

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