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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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F825-0548 White Rodgers Compatible 16x26x5, 2pk
(FFC16265WR)

The Filters Fast Compatible 16x26x5 MERV 11 Air Filter can be used as an upgrade for White Rodgers part number F825-0548. 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.
F825-0548 White Rodgers Compatible 16x26x5, 2pk
Our Price: $54.25
Retail: $55.25
You Save 2%!

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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 X8314 MERV 16 Expandable Filter Replacement
(X8314)

The Lennox X8314 is the correct replacement for the following air cleaner: Lennox PMAC-20C Healthy Climate Air Cleaner

Free shipping within the continental United States!

Special Order. Ships in 5 days.
Lennox X8314 MERV 16 Expandable Filter Replacement
Our Price: $109.20
Retail: $114.99
You Save 5%!

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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.

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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 92X08 HEPA 40/60 Foam PreFilter
(92X08)

The Lennox 92X08 HEPA 40/60 Foam PreFilter is a replacement foam pre-filter for the HEPA 40 and HEPA 60 Lennox Healthy Climate Indoor Air Quality HEPA systems. Contaminated air passes through this carbon pre-filter, allowing it trap large dirt.


Special Order. Ships in 8 days.
Lennox 92X08 HEPA 40/60 Foam PreFilter
Our Price: $29.95
Retail: $39.25
You Save 24%!

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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 4 days.
Lennox X8345 MERV 16 Filter Upgrade Kit
Our Price: $310.15
Retail: $343.15
You Save 10%!

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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 X4573 UV-1000 Air Filtration System
(X4573)

This Lennox X4573 UV-1000 Air Filtration System features a dual interlock switch prevents accidental exposure to UV light during maintenance. This Lennox Healthy climate Filtration System kills airborne microorganisms.

Free shipping within the continental United States!

Special Order. Ships in 9 days.
Lennox X4573 UV-1000 Air Filtration System
Our Price: $329.99
Retail: $349.99
You Save 6%!

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Lennox 98N43 MERV 8 Pleated Furnace Filter 4-Pack
(98N43)

The Lennox 98N43 MERV 8 Pleated Furnace Filters 4-Pack is the correct replacement for all furnaces that require a 20x20x1 filter. These Lennox Healthy Climate filters remove particles and bioaerosols as small as 3 microns


Special Order. Ships in 24 days.
Lennox 98N43 MERV 8 Pleated Furnace Filter 4-Pack
Our Price: $87.00
Retail: $91.96
You Save 5%!

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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.


In stock! Ships in 1 business day.
Lennox X0582 MERV 10 Air Cleaner Media Filter
Our Price: $27.00
Retail: $78.85
You Save 66%!

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Lennox 75X73 Metal Mesh Filter
(75X73)

The Lennox 75X73 Metal Mesh Filter is a replacement metal mesh filter for the Lennox PCO-12C and PCO-12U. This metal air filter is constructed out of titanium dioxide and coated with a honeycomb screen.

Free shipping within the continental United States!

Special Order. Ships in 6 days.
Lennox 75X73 Metal Mesh Filter
Our Price: $164.99
Retail: $189.95
You Save 13%!

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Lennox Y0629 - PCO20-28 Installation Kit
(Y0629)

The Lennox Y0629 is for use with the following air purification system: Lennox Healthy Climate PureAir PCO20-28 The Lennox Y0629 - PCO20-28 Pureair Filter System is the installation kit for the PCO20-28. This Lennox PureAir kit is made from qu

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In stock! Ships in 1 business day.
Lennox Y0629 - PCO20-28 Installation Kit
Our Price: $99.99
Retail: $149.99
You Save 33%!

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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

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In stock! Ships in 1 business day.
Lennox Y2786 Whole House Humidifier 17 GPD
Our Price: $133.85
Retail: $149.99
You Save 11%!

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Lennox Y2789 Whole House Humidifier 18 GPD
(Y2789)

This Lennox humidity control system is ideal for home use. This whole home humidifier is not a stand alone unit and must be installed in your forced duct system. This 18 gallon Lennox home humidifier is ideal for moiturizing dry winter air.

Free shipping within the continental United States!

Special Order. Ships in 20 days.
Lennox Y2789 Whole House Humidifier 18 GPD
Our Price: $304.99
Retail: $399.99
You Save 24%!

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Lennox X8347 MERV 16 Filter Upgrade Kit
(X8347)

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

Free shipping within the continental United States!

Special Order. Ships in 6 days.
Lennox X8347 MERV 16 Filter Upgrade Kit
Our Price: $325.99
Retail: $326.95
You Save 0%!

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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 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.

Free shipping within the continental United States!

In Stock! Ships in 5 to 6 business days.
Lennox X6666 MERV 16 Pleated Air Filter Media
Our Price: $99.95
Retail: $128.10
You Save 22%!

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Lennox X4575 UV-2000 Air Filtration System
(X4575)

The Lennox X4575 UV-2000 Air Filtration System is an air filtration system that utilizes ultraviolet energy for effective air purification. The Lennox Healthy Climate UV 2000 Germicidal Light improves indoor air quality.

Free shipping within the continental United States!

Special Order. Ships in 16 days.
Lennox X4575 UV-2000 Air Filtration System
Our Price: $517.16
Retail: $545.25
You Save 5%!

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Lennox HCC16-28 Filter Cabinet System MERV 16
(Y2921)

The Lennox HCC16-28 Filter Cabinet System MERV 16 is an air cleaner cabinet that attaches directly to your HVAC system without causing any additional energy costs. The Lennox Healthy Climate HCC16-28 is ideal for whole-house air filtration. The Lenn

Free shipping within the continental United States!

In stock! Ships in 1 business day.
Lennox HCC16-28 Filter Cabinet System MERV 16
Our Price: $299.99
Retail: $349.99
You Save 14%!

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Lennox 98N45 MERV 8 Pleated Furnace Filter 4-Pack
(98N45)

This Lennox 98N45 MERV 8 Pleated Furnace Filters 4-Pack serve as an excellent choice to upgrade from the generic fiberglass filters in your local hardware store. The healthy climate filters come in this money-saving 4-pack package.


In stock! Ships in 1 business day.
Lennox 98N45 MERV 8 Pleated Furnace Filter 4-Pack
Our Price: $34.95
Retail: $49.95
You Save 30%!

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Lennox X8308 MERV 16 Expandable Filter Kit
(X8308)

This Lennox Expandable Filter is a genuine Lennox part. The Lennox Healthy Climate Filter is a viable replacement for several Air Cleaner Models.

Free shipping within the continental United States!

In stock! Ships in 1 business day.
Lennox X8308 MERV 16 Expandable Filter Kit
Our Price: $129.99
Retail: $149.99
You Save 13%!

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Lennox X8305 MERV 10 Expandable Filter Kit
(X8305)

The Lennox X8305 MERV 10 Expandable Filter Kit is a filter kit that includes a replacement expandable furnace filter and a replacement inner housing reusable filter frame. This expandable filter measures approximately 20x20x5.


In stock! Ships in 1 business day.
Lennox X8305 MERV 10 Expandable Filter Kit
Our Price: $98.99
Retail: $99.99
You Save 1%!

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Lennox X5804 HEPA 40/60 Air Filter System Kit
(X5804)

The Lennox X5804 HEPA 40/60 Air Filter System Kit is an air filter system kit for the Lennox HEPA 40 air cleaner. This Healthy Climate kit includes one pre-filter, four inner filters, and one O-ring.

Free shipping within the continental United States!

In Stock! Ships in 5 to 6 business days.
Lennox X5804 HEPA 40/60 Air Filter System Kit
Our Price: $199.68
Retail: $220.60
You Save 9%!

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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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