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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 full product list:


Lennox X8790 PCO14-23 MERV 16 Air Filter Replacement
(X8790)

The Lennox X8790 MERV 16 Air Filter Replacement is a replacement air filter for the Lennox PCO14-23 PureAir Air Filtration System. This furnace filter measures approximately 20" x 21" x 5" and features a MERV 16 rating. A higher MERV rating results

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In Stock! Ships in 3 to 4 business days.
Lennox X8790 PCO14-23 MERV 16 Air Filter Replacement
Our Price: $105.95
Retail: $228.99
You Save 54%!

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Lennox X0587 MERV 11 Pleated Media Filter
(X0587)

This Lennox X0587 MERV 10 Pleated Media Filter is a MERV 10 replacement furnace filter. This pleated furnace filter offers quality filtration of impurities and pollutants in the air.


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Lennox X0587 MERV 11 Pleated Media Filter
As Low As: $36.45
Retail: $50.99
You Save 29%!

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Lennox Y0391 UV Filtration Lamp Replacement - Genuine Lennox Part
(Y0391)

The Lennox Y0391 UV Filtration Lamp Replacement is a replacement UV filter lamp for the Lennox UVC 41W-S and UVC 41W-D Healthy Climate UVC Germicidal Light air cleaners. The UVC041W-S requires only one replacement bulb, while the UVC 41W-D model req


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Lennox Y0391 UV Filtration Lamp Replacement - Genuine Lennox Part
Our Price: $61.95
Retail: $72.99
You Save 15%!

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Lennox Y6612 PCO3-16-16 Air Filter Maintenance Kit Pureair
(Y6612)

Lennox Y6612 PCO3-16-16 Air Filter Maintenance Kit Pureair has everything you need for your annual maintenance.

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Lennox Y6612 PCO3-16-16 Air Filter Maintenance Kit Pureair
Our Price: $147.95
Retail: $178.99
You Save 17%!

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Lennox Y6606 PCO3-14-16 Air Filtration Filter PureAir 100908-12
(Y6606)

The Lennox Y6606 PCO3-14-16 PureAir 100908-12 Healthy Climate PureAir Air Purification System features a Precision Pleat MERV 16 filter that traps particles down to an amazing 0.01 micron.

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Lennox Y6606 PCO3-14-16 Air Filtration Filter PureAir 100908-12
Our Price: $90.95
Retail: $106.99
You Save 15%!

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Aprilaire 35 Replacement For Lennox X2661 Humidifier Water Panel Filter
(X2661)

Keep your cool mist humidifier operating effectively with the Aprilaire 35 replacement water panel humidifier filter pad. The water panel slides into the scale control insert and the water distribution tray where it begins to absorb water.


In Stock! Ships in 7 to 8 business days.
Aprilaire 35 Replacement For Lennox X2661 Humidifier Water Panel Filter
Our Price: $15.95
Retail: $24.99
You Save 36%!

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Lennox X8149 UVA Air Filtration System Lamp for PCO-12C, PCO-20C
(X8149)

The Lennox X8149 UV filter lamp works with your PureAir PCO-12C and PureAir PCO-20C filtration system. This uv filter bulb works with your filtration system and oxidizes contaminants in the air through the use of light rays and no toxic chemicals.


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Lennox X8149 UVA Air Filtration System Lamp for PCO-12C, PCO-20C
Our Price: $34.95
Retail: $113.99
You Save 69%!

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Lennox Y6608 PCO3-20-16 Healthy Climate PureAir Annual Kit
(Y6608)

Lennox Y6608 PCO3-20-16 Healthy Climate PureAir Annual Maintenance Kit.

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Lennox Y6608 PCO3-20-16 Healthy Climate PureAir Annual Kit
Our Price: $148.95
Retail: $178.99
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Lennox X5424 PMAC-20C MERV 16 25x20x6 Furnace Filter Media
(X5424)

This Lennox X5424 MERV 16 Pleated Furnace Filter Media needs to be replaced every 12 months. The Lennox MERV 16 Filter is a genuine Lennox Healthy Climate boxed media air cleaner.

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Lennox X5424 PMAC-20C MERV 16 25x20x6 Furnace Filter Media
Our Price: $94.95
Retail: $122.99
You Save 23%!

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Lennox X8312 HCXF16-16 MERV 16 Expandable Filter 16x25x5
(X8312)

The Lennox X8312 HCXF16-16 MERV 16 Expandable Filter 16x25x5 furnace filter is an expandable filter for your furnace system. Also known as the HCXF16-16, this pleated air filter will protect both your family and HVAC system.

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Lennox X8312 HCXF16-16 MERV 16 Expandable Filter 16x25x5
As Low As: $87.95
Retail: $124.99
You Save 30%!

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Lennox 64X56 UV Air Purifier Replacement Lamp UV-1000 and UV-1023
(64X56)

The Lennox 64X56 UV Air Purifier Replacement Lamp is a replacement UV lamp for the Lennox Healthy Climate UV-1000 and UV-1023 systems. This germicidal lamp utilizes powerful ultraviolet energy for effective air purification and helps your Lennox Hea


In Stock! Ships in 3 to 4 business days.
Lennox 64X56 UV Air Purifier Replacement Lamp UV-1000 and UV-1023
Our Price: $73.95
Retail: $88.99
You Save 17%!

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Lennox X8794 Genuine UV Lamp for Model PCO14-23 PCO16-28 PCO20-28
(X8794)

The Lennox X8794 UV Lamp works with your Lennox PureAir system. The uv filtration system of the Lennox PureAir activates the photocatalyst on the metal insert of your system. This allows chemicals to be captured and destroyed.


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Lennox X8794 Genuine UV Lamp for Model PCO14-23 PCO16-28 PCO20-28
Our Price: $38.95
Retail: $45.99
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Lennox X4138 HEPA 40-60 Carbon PreFilter
(X4138)

This Lennox X4138 HEPA 40-60 Carbon PreFilter is a part of the Lennox “Healthy Climate” line of indoor air quality products. This Lennox HEPA 60 filter has an estimated life of 6 months.


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Lennox X4138 HEPA 40-60 Carbon PreFilter
Our Price: $31.95
Retail: $38.99
You Save 18%!

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FiltersFast FFC16253TABM13 Replacement for Trion 16x25x3 Air Bear MERV13 3-Pack
(FFC16253TABM13)

The FiltersFast Brand Trion 16x25x3 Air Bear MERV13 3-Pack Filter is a compatible version of the genuine Trion Air Bear Media AC Filter 16x25x3, 255649-101.


In Stock! Ships in 4 to 5 business days.
FiltersFast FFC16253TABM13 Replacement for Trion 16x25x3 Air Bear MERV13 3-Pack
Our Price: $84.00
Retail: $99.99
You Save 16%!

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BestAir A35PR Replacement for Lennox WB2-17 and WB2-18 Filter
(WB2-17 WB2-18)

The BestAir A35PR is the compatible replacement filter for the Lennox WB2-17 and WB2-18 Humidifier Metal Water Panel Filter.


In stock! Ships in 1 business day.
BestAir A35PR Replacement for Lennox WB2-17 and WB2-18 Filter
As Low As: $7.95
Retail: $11.99
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Lennox X8348 PCO-20C MERV 10 Filter Maintenance Kit
(X8348)

The Lennox X8348 MERV 10 Filter Maintenance Kit is a maintenance kit for the Lennox PCO-20C PureAir Air Purification System. This PureAir maintenance kit includes: one MERV 10 filter, also known as part number X6667; one catalyst insert, also known

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Lennox X8348 PCO-20C MERV 10 Filter Maintenance Kit
Our Price: $228.95
Retail: $354.99
You Save 36%!

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Lennox 75X66 Genuine Metal Mesh Insert Fits PureAir Model PCO-2OC
(75X66)

The Lennox 75X66 Metal Mesh Filter is the correct replacement for the following air cleaner: Lennox Pureair PCO-2OC

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Lennox 75X66 Genuine Metal Mesh Insert Fits PureAir Model PCO-2OC
Our Price: $99.95
Retail: $199.99
You Save 50%!

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Lennox X0581 MERV 10 Pleated Furnace Filter Media
(X0581)

This Lennox X0581 MERV 10 Pleated Furnace Filter Media provides high efficiency filtration. This Merv 10 furnace filter requires no assembly or combs.


In Stock! Ships in 1 to 2 business days.
Lennox X0581 MERV 10 Pleated Furnace Filter Media
Our Price: $34.95
Retail: $41.99
You Save 17%!

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Lennox Genuine 92X10 HEPA Filter Replacement for HEPA-40, HEPA-60
(92X10)

This Lennox Genuine 92X10 HEPA Filter Replacement for HEPA-40, HEPA-60 is designed to capture 99.97% of particulates down to 0.3 micron that pass through it. The Lennox Healthy Climate filter should be replaced every 2-5 years.

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In Stock! Ships in 5 to 6 business days.
Lennox Genuine 92X10 HEPA Filter Replacement for HEPA-40, HEPA-60
Our Price: $217.95
Retail: $284.99
You Save 24%!

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Lennox X8345 PureAir PCO-20C MERV 16 Upgrade Kit
(X8345)

The Lennox X8345 PureAir PCO-20C MERV 16 Upgrade Kit, part number x8345 is meant for your Lennox PureAir PCO-20C air filtration unit. This MERV 16 filter measures 21" x 26" x 4" inches.

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Lennox X8345 PureAir PCO-20C MERV 16 Upgrade Kit
Our Price: $279.95
Retail: $343.99
You Save 19%!

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Lennox X0584 MERV 11 Pleated Media Filter BMAC-14CE
(X0584)

The Lennox X0584 MERV 11 Pleated Media Filter is a pleated air filter that replaces the filter media in the Lennox BMAC-14CE box media air cleaner and also fits inside Lennox the EAC012 and EAC0-14 model air cleaner cabinets in place of its electron


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Lennox X0584 MERV 11 Pleated Media Filter BMAC-14CE
As Low As: $32.95
Retail: $81.99
You Save 60%!

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Trion 255649-101 Air Bear Media AC Filter 16x25x3 6-Pack
(255649-101 6pack)

The Trion Air Bear 255649-101 AC Filter Media is a genuine Trion Air Bear pleated media filter. The 255649-101 can be used in Trion models Air Bear TM and Air Bear Cub. Replaces 229990-101 and 229990-001 as an upgrade.

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In stock! Ships in 1 business day.
Trion 255649-101 Air Bear Media AC Filter 16x25x3 6-Pack
Our Price: $100.95
Retail: $131.99
You Save 24%!

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Lennox X8347 MERV 16 Filter Maintenance Kit for PCO-12C
(X8347)

The Lennox X8347 MERV 16 Filter Maintenance Kit for PCO-12C is the correct replacement for the following air cleaner: Lennox PureAir Healthy Climate PCO-12C Air Purification System

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In Stock! Ships in 3 to 4 business days.
Lennox X8347 MERV 16 Filter Maintenance Kit for PCO-12C
Our Price: $249.95
Retail: $326.99
You Save 24%!

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Lennox X6669 PCO-20C 21X26X4 Merv 16 Filter Replacement
(X6669)

The Lennox X6669 PCO-20C 21X26X4 Merv 16 Filter Replacement is a pleated box filter for your Pureair air cleaner. This air filter box measures 21x26x4 inches and is a pleated air filter.

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In Stock! Ships in 2 to 3 business days.
Lennox X6669 PCO-20C 21X26X4 Merv 16 Filter Replacement
Our Price: $112.95
Retail: $149.99
You Save 25%!

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Lennox 92X09 Healthy Climate 93014-21 HEPA 40-60 Carbon Filter
(92X09)

This Lennox Healthy Climate Filter offers efficient air-filtration performance. This Lennox HEPA 60 carbon filter should be replaced every 2-5 years.


In stock! Ships in 1 business day.
Lennox 92X09 Healthy Climate 93014-21 HEPA 40-60 Carbon Filter
Our Price: $47.95
Retail: $56.99
You Save 16%!

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