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


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Lennox product list


F825-0549 White Rodgers Compatible 20x26x5, 2pk
(FFC20265WR)

The Filters Fast Compatible 20x26x5 MERV 11 Air Filter can be used as an upgrade for White Rodgers part number F825-0549. Upgrade your White Rodgers Media Filter today and get a better filter for the same price as the original manufacturer's brand!


In Stock! Ships in 1 to 2 business days.
F825-0549 White Rodgers Compatible 20x26x5, 2pk
Our Price: $72.99
Retail: $79.99
You Save 9%!

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Lennox X0582 MERV 10 Air Cleaner Media Filter
(X0582)

The Lennox X0582 MERV 10 Air Cleaner Media Filter is a furnace filter media that contains a MERV 10 air filter. This MERV 10 furnace filter is also known as the Lennox X0582 and measures 16x20x5 inches.


Special Order. Ships in 7 days.
Lennox X0582 MERV 10 Air Cleaner Media Filter
Our Price: $27.00
Retail: $78.85
You Save 66%!

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Lennox 64X36 UV Air Filter Lamp Replacement
(64X36)

The Lennox 64X36 UV Air Filter Lamp is the replacement bulb for Lennox UV-500 & UV-523 Germicide Lamp Systems. The Lennox 64X36 kills viruses, bacteria, yeast, mold, pollen & fungi.


In stock! Ships in 1 business day.
Lennox 64X36 UV Air Filter Lamp Replacement
Our Price: $58.95
Retail: $76.13
You Save 23%!

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Lennox X9423 UV Filtration Germicidal Lamp
(X9423)

The Lennox germicidal light, part number X9423, is a uv germicidal bulb for your homes HVAC system. The uv germicidal light uses ultraviolet energy that reduce harmful microorganisms in your air. This uv germicidal lamp will use intense UV light to

Free shipping within the continental United States!

In Stock! Ships in 5 to 6 business days.
Lennox X9423 UV Filtration Germicidal Lamp
Our Price: $178.00
Retail: $214.58
You Save 17%!

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White Rodgers 16x26x5 Air Filter F825-0548 2pk
(FFC16265WRMM13)

The White Rodgers 16x26x5 Air Filter F825-0548 is a compatible economical alternative to the genuine 16x26x5 air furnace filter.


In Stock! Ships in 1 to 2 business days.
White Rodgers 16x26x5 Air Filter F825-0548 2pk
Our Price: $70.00
Retail: $90.00
You Save 22%!

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Lennox X6666 MERV 16 Pleated Air Filter Media
(X6666)

This Lennox Box Filter is a genuine MERV 16 filter. The Lennox Furnace Filter Box should only be replaced every six months.

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Special Order. Ships in 8 days.
Lennox X6666 MERV 16 Pleated Air Filter Media
Our Price: $99.95
Retail: $128.10
You Save 22%!

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Lennox X4138 HEPA 40/60 Carbon PreFilter 10-Pack
(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.


Special Order. Ships in 9 days.
Lennox X4138 HEPA 40/60 Carbon PreFilter 10-Pack
Our Price: $223.60
Retail: $385.10
You Save 42%!

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Lennox X8349 MERV 10 Filter Maintenance Kit
(X8349)

The Lennox X8349 MERV 10 Filter Maintenance Kit is a filter maintenance kit for the Lennox PCO-12C PureAir Air Purification System. This maintenance kit includes one MERV 10 filter (X6664), one catalyst insert (75X73), and four UV bulbs (X8149). The

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Special Order. Ships in 5 days.
Lennox X8349 MERV 10 Filter Maintenance Kit
Our Price: $194.00
Retail: $225.25
You Save 14%!

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Lennox 98N42 MERV 8 Pleated Furnace Filters 4-Pack
(98N42)

The Lennox 98N42 is a MERV 8 furnace filter 4-pack for your home. This furnace filter will protect your home from unhealthy contaminants and help keep your heating and cooling bill low.


In Stock! Ships in 5 to 6 business days.
Lennox 98N42 MERV 8 Pleated Furnace Filters 4-Pack
Our Price: $29.95
Retail: $38.95
You Save 23%!

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Lennox Y2920 Whole House Air Filter Cabinet
(Y2920)

The Lennox Y2920 Whole House Air Filter Cabinet is the correct system that is: Compatible with any HVAC system and does not require an additional power source


Special Order. Ships in 11 days.
Lennox Y2920 Whole House Air Filter Cabinet
Our Price: $91.75
Retail: $119.00
You Save 23%!

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Lennox X8344 MERV 16 Filter Upgrade Kit
(X8344)

The Lennox X8344 MERV 16 Filter Upgrade Kit is an upgrade kit for the Lennox PCO-20C Healthy Climate PureAir Air Purification System. This Lennox PureAir filter kit includes one MERV 16 filter, also known by part number X6669, and six UV bulbs.

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Special Order. Ships in 5 days.
Lennox X8344 MERV 16 Filter Upgrade Kit
Our Price: $273.27
Retail: $299.99
You Save 9%!

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Lennox X9425 UV Filtration Germicidal Lamp
(X9425)

The Lennox X9425 is the correct replacement for the following air cleaner: Lennox Healthy Climate UVC-41W-D Air Purification System

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Special Order. Ships in 7 days.
Lennox X9425 UV Filtration Germicidal Lamp
Our Price: $358.55
Retail: $399.99
You Save 10%!

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Lennox Y6595 PCO3-20-16 Air Purification Filter
(DLXY6595)

The features a Precision Pleat MERV 16 filter that traps particles down to an amazing 0.01 micron.


Special Order. Ships in 16 days.
Lennox Y6595 PCO3-20-16 Air Purification Filter
Our Price: $694.00
Retail: $765.00
You Save 9%!

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Lennox X2678 HEPA 20 Charcoal Carbon Filter
(X2678)

The Lennox X2678 HEPA 20 Charcoal Carbon Filter is a replacement charcoal carbon filter for the Lennox Healthy Climate HEPA 20 Bypass Filtration Unit. This is an inner filter used in the third stage of filtration for the removal of odors


Special Order. Ships in 9 days.
Lennox X2678 HEPA 20 Charcoal Carbon Filter
Our Price: $36.00
Retail: $40.28
You Save 11%!

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Lennox 64X62 UV Humidifier System Ballast
(64X62)

The Lennox 64X62 UV Humidifier System Ballast is a replacement ballast for the Lennox UV-1000 and UV-2000 Healthy Climate Germicidal Light air filtration systems.

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In Stock! Ships in 5 to 6 business days.
Lennox 64X62 UV Humidifier System Ballast
Our Price: $136.22
Retail: $149.99
You Save 9%!

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Lennox 94X98 HEPA 20 Filter System Carbon Canister
(94X98)

The Lennox 94X98 HEPA 20 Filter System Carbon Canister is a replacement carbon canister for the Lennox HEPA 20 whole house air cleaner, which is designed to be attached to the ductwork of a home or office.

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Special Order. Ships in 5 days.
Lennox 94X98 HEPA 20 Filter System Carbon Canister
Our Price: $99.86
Retail: $141.00
You Save 29%!

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Lennox X8345 MERV 16 Filter Upgrade Kit
(X8345)

The Lennox 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. Also known as the Lennox healthy climate, this filter upgrade kit will provide you with even

Free shipping within the continental United States!

Special Order. Ships in 8 days.
Lennox X8345 MERV 16 Filter Upgrade Kit
Our Price: $310.15
Retail: $343.15
You Save 10%!

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Lennox 69H98 Air Cleaner Carbon Filter
(69H98)

The Lennox 69H98 Air Cleaner Carbon Filter is a replacement air filter for the Lennox EAC12-14 and EAC-14 series air cleaners. This carbon filter replaces part number 69H9801 and is a genuine Lennox part that is constructed from high quality materia


In Stock! Ships in 5 to 6 business days.
Lennox 69H98 Air Cleaner Carbon Filter
Our Price: $74.99
Retail: $79.99
You Save 6%!

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Lennox 91X24 MERV 8 Pleated Air Filters 4-Pack
(91X24)

The Lennox 91X24 MERV 8 Pleated Air Filters 4-Pack is a set of pleated air filters that measures approximately 15x20x1 and has an a MERV 8 rating. This air conditioner filter arrives in a convenient 4 pack, which will last up to one year.


Special Order. Ships in 10 days.
Lennox 91X24 MERV 8 Pleated Air Filters 4-Pack
Our Price: $29.95
Retail: $38.95
You Save 23%!

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Lennox X6661 Healthy Climate Filter Cabinet
(X6661)

The Lennox X6661 Healthy Climate Filter Cabinet is a replacement filter cabinet for Lennox Healthy Climate air cleaner models HC10 and HC 16. This air filter cabinet measures approximately 20x25x5 and is also known as the HCC20-28.

Free shipping within the continental United States!

Special Order. Ships in 5 days.
Lennox X6661 Healthy Climate Filter Cabinet
Our Price: $99.75
Retail: $120.95
You Save 18%!

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Lennox 91X25 MERV 8 Pleated Air Filters 4-Pack
(91X25)

The Lennox 91X25 MERV 8 Pleated Air Filters 4-Pack is a replacement set of pleated air filters that arrives in a 4 pack. These Healthy Climate furnace filters boast a MERV 8 rating, which can reduce mold spores, dust, and tiny particles from your ai


In Stock! Ships in 5 to 6 business days.
Lennox 91X25 MERV 8 Pleated Air Filters 4-Pack
Our Price: $29.95
Retail: $38.95
You Save 23%!

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Lennox Y2786 Whole House Humidifier 17 GPD
(Y2786)

The Lennox humidifier is a humidifier for home use. Also known as a healthy climate humidifier, or the HCWB3-17, this whole house humidifier humidifies 17 gallons of water per day. The Lennox whole house bypass humidifier will maintain the highest c

Free shipping within the continental United States!

In Stock! Ships in 5 to 6 business days.
Lennox Y2786 Whole House Humidifier 17 GPD
Our Price: $133.85
Retail: $149.99
You Save 11%!

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Lennox 92X17 HEPA Filter Cartridge Replacement
(92X17)

This Lennox 92X17 HEPA Filter Cartridge Replacement offers a 3-stage filtration process is used to create a very effective filtration system. The Lennox Hepa Air Filter offers possible air-filtration performance.

Free shipping within the continental United States!

Special Order. Ships in 10 days.
Lennox 92X17 HEPA Filter Cartridge Replacement
Our Price: $126.25
Retail: $198.40
You Save 36%!

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Lennox 64X37 Ozone UV Purifier Lamp Replacement
(64X37)

The Lennox 64x37 is the correct replacement for the following lamps: Lennox UVO-1000 Healthy Climate UV Ozone Lamp Lennox UV03-500 Healthy Climate UV Ozone Lamp Lennox UVO3-523 Healthy Climate UV Ozone Lamp


In Stock! Ships in 5 to 6 business days.
Lennox 64X37 Ozone UV Purifier Lamp Replacement
Our Price: $89.95
Retail: $109.98
You Save 18%!

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Lennox 92X10 40/60 HEPA Filter Replacement
(92X10)

This Lennox Charcoal Carbon Filter 92X10 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.

Free shipping within the continental United States!

Special Order. Ships in 8 days.
Lennox 92X10 40/60 HEPA Filter Replacement
Our Price: $259.99
Retail: $284.96
You Save 9%!

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Filters Fast - Lennox

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