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Lennox furnace filters and air filters are needed to keep a good efficiency of your cooling and heating system.

Lennox Air and Furnace Filters full product list:


FiltersFast FF20255X6673M11 Replacement for Lennox X6673 MERV11, 20x25x5 - 2-Pack
(FFC20255X6673M11)

The FiltersFast FF20255X6673M11 compatible air filter replaces the Lennox X6673 and has a MERV 11 rating and is effective in the capture of particles down to 1 micron in size that includes dust, smoke, emissions, and other airborne contaminants.


In Stock! Ships in 1 to 2 business days.
FiltersFast FF20255X6673M11 Replacement for Lennox X6673 MERV11, 20x25x5 - 2-Pack
Our Price: $49.95
Retail: $59.99
You Save 17%!

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FiltersFast FF16255X6670M11 Replacement for Lennox X6670 MERV11, 16x25x5 - 2-Pack
(FF16255X6670M11)

The FiltersFast FF16255X6670M11 air filter replaces the Lennox X6670 and features a MERV 11 rating that is up to 85% efficient at capturing airborne particles down to 1 micron in size.


In Stock! Ships in 1 to 2 business days.
FiltersFast FF16255X6670M11 Replacement for Lennox X6670 MERV11, 16x25x5 - 2-Pack
Our Price: $45.95
Retail: $69.99
You Save 34%!

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Lennox Y6604 Healthy Climate PureAir PCO3-20-16 MERV 16 20x26x5
(Y6604)

Keep your Lennox Y6595 PureAir Air Purification System running like new with the Lennox Y6604 Healthy Climate 100908-10 PureAir PCO3-20-16 MERV 16 20x26x5.

Free shipping within the continental United States!

In Stock! Ships in 1 to 2 business days.
Lennox Y6604 Healthy Climate PureAir PCO3-20-16 MERV 16 20x26x5
Our Price: $109.95
Retail: $129.99
You Save 15%!

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FiltersFast FF20255X6673M13 Replacement for Lennox X6673 MERV13, 20x25x5 - 2-Pack
(FF20255X6673M13)

The FiltersFast FF20255X6673M13 compatible air filter replaces the Lennox X6673 and features a MERV 13 rating that is the most effective form of containment reduction in residential applications.


In Stock! Ships in 1 to 2 business days.
FiltersFast FF20255X6673M13 Replacement for Lennox X6673 MERV13, 20x25x5 - 2-Pack
Our Price: $64.95
Retail: $89.99
You Save 28%!

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FiltersFast FF16255X6670M13 Replacement for Lennox X6670 MERV13, 16x25x5 - 2-Pack
(FF16255X6670M13)

The FiltersFast FF16255X6670M13 compatible air filter replaces the Lennox X6670 and features a MERV 13 rating that is up to 95% efficient at capturing airborne particles down to 0.3 microns in size.


In Stock! Ships in 1 to 2 business days.
FiltersFast FF16255X6670M13 Replacement for Lennox X6670 MERV13, 16x25x5 - 2-Pack
Our Price: $55.95
Retail: $89.99
You Save 38%!

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FiltersFast FF20255X6673M8 Replacement for Lennox X6673 MERV8, 20x25x5 - 2-Pack
(FF20255X6673M8)

The FiltersFast FF20255X6673M8 compatible air filter replaces the Lennox X6673 and features a MERV 8 rating that is effective in the capture of dust, pollen, and pet dander down to 3 microns in size.


In Stock! Ships in 1 to 2 business days.
FiltersFast FF20255X6673M8 Replacement for Lennox X6673 MERV8, 20x25x5 - 2-Pack
Our Price: $42.95
Retail: $48.99
You Save 12%!

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Lennox LB-71455 Media Filter, 24in x 20ft Roll - 30023
(LB-71455)

The Lennox LB-71455 Media Filter is a 24-in x 20-ft x 1-in roll of media filter that is for air conditioning and central heating systems with hammock filter frames.


In Stock! Ships in 2 to 3 business days.
Lennox LB-71455 Media Filter, 24in x 20ft Roll - 30023
Our Price: $69.95
Retail: $99.99
You Save 30%!

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Lennox X8791 Healthy Climate PureAir Insert - PCO20-28
(X8791)

The Lennox X8791 Healthy Climate PureAir Metal Mesh Insert is the replacement metal mesh insert for the Lennox Healthy Climate PureAir PCO20-28.

Free shipping within the continental United States!

In Stock! Ships in 3 to 4 business days.
Lennox X8791 Healthy Climate PureAir Insert - PCO20-28
As Low As: $109.95
Retail: $152.99
You Save 28%!

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Lennox X8927 Healthy Climate PureAir 4 Lamp Clips for PCO-20-28
(X8927)

Lennox X8927 Healthy Climate PureAir 4 Lamp Clips for PCO-20-28


In Stock! Ships in 2 to 3 business days.
Lennox X8927 Healthy Climate PureAir 4 Lamp Clips for PCO-20-28
Our Price: $24.95
Retail: $29.99
You Save 17%!

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Lennox LB-71457 Media Filter 28-in x 20-ft - 30340
(LB-71457)

The Lennox LB-71457 Media Filter 28 is a 28-in W x 20-ft L roll of media filter that is for air conditioning and central heating systems with hammock filter frames.


In Stock! Ships in 28 to 29 business days.
Lennox LB-71457 Media Filter 28-in x 20-ft - 30340
Our Price: $69.95
Retail: $89.99
You Save 22%!

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FiltersFast FF16255X6670M8 Replacement for Lennox X6670 MERV8, 16x25x5 - 2-Pack
(FF16255X6670M8)

The FiltersFast FF16255X6670M8 compatible air filter replaces the Lennox X6670 and features a MERV 8 rating that balances air flow with filtration capability. The synthetic fiber material blend is capable of reducing 85% of particles.


In Stock! Ships in 1 to 2 business days.
FiltersFast FF16255X6670M8 Replacement for Lennox X6670 MERV8, 16x25x5 - 2-Pack
Our Price: $39.95
Retail: $49.99
You Save 20%!

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Lennox X8792 Metal Mesh Insert for Healthy Climate PCO16-28
(X8792)

The Lennox X8792 Metal Mesh Insert LB-114220B is the replacement metal mesh insert for the Lennox Healthy Climate PureAir PCO16-28 Air Purification System.

Free shipping within the continental United States!

In Stock! Ships in 3 to 4 business days.
Lennox X8792 Metal Mesh Insert for Healthy Climate PCO16-28
Our Price: $99.95
Retail: $159.99
You Save 38%!

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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 3 to 4 business days.
Lennox 92X09 Healthy Climate 93014-21 HEPA 40-60 Carbon Filter
Our Price: $53.95
Retail: $59.99
You Save 10%!

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Lennox 75X73 Metal Mesh Filter Catalyst Insert Assembly
(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!

In Stock! Ships in 3 to 4 business days.
Lennox 75X73 Metal Mesh Filter Catalyst Insert Assembly
Our Price: $79.95
Retail: $189.99
You Save 58%!

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Lennox 72H02 Whole House System Air Filter
(72H02)

The Lennox 72H02 Whole House System Air Filter is a replacement air filter for several Lennox model electronic whole house air purifiers. This pre-filter measures approximately 20x13x3/8 and directly replaces part number 72H0201.


In Stock! Ships in 1 to 2 business days.
Lennox 72H02 Whole House System Air Filter
Our Price: $24.95
Retail: $29.99
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.

Free shipping within the continental United States!

In Stock! Ships in 8 to 9 business days.
Lennox Genuine 92X10 HEPA Filter Replacement for HEPA-40, HEPA-60
Our Price: $239.95
Retail: $284.99
You Save 16%!

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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

Free shipping within the continental United States!

In Stock! Ships in 4 to 5 business days.
Lennox 75X66 Genuine Metal Mesh Insert Fits PureAir Model PCO-2OC
As Low As: $89.95
Retail: $199.99
You Save 55%!

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Lennox X8793 Healthy Climate PureAir Insert - PCO14-23
(X8793)

The Lennox X8793 Healthy Climate PureAir Metal Mesh Insert is the replacement metal mesh insert for the for the Lennox Healthy Climate PureAir PCO14-23.

Free shipping within the continental United States!

In Stock! Ships in 4 to 5 business days.
Lennox X8793 Healthy Climate PureAir Insert - PCO14-23
Our Price: $89.95
Retail: $199.99
You Save 55%!

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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!

Out of stock
Lennox 92X17 HEPA Filter Cartridge Replacement
Our Price: $174.95
Retail: $198.99
You Save 12%!

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Lennox 92X08 HEPA 40/60 Foam PreFilter Genuine Lennox Part
(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.


Out of stock
Lennox 92X08 HEPA 40/60 Foam PreFilter Genuine Lennox Part
Our Price: $79.95
Retail: $89.99
You Save 11%!

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Lennox 98N42 MERV 8 Pleated Furnace Filters 4-Pack 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 1 to 2 business days.
Lennox 98N42 MERV 8 Pleated Furnace Filters 4-Pack
Our Price: $43.96

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Lennox 72H09 EAC-2000 Carbon Filter Replacement
(72H09)

The Lennox 72H09 EAC-2000 Carbon Filter Replacement is a replacement carbon air filter for the Lennox EAC-20 and EAC-2000 air cleaners. This charcoal filter is an genuine Lennox part and is made from high quality construction material.

Free shipping within the continental United States!

In Stock! Ships in 2 to 3 business days.
Lennox 72H09 EAC-2000 Carbon Filter Replacement
Our Price: $109.95
Retail: $119.99
You Save 8%!

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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 4 to 5 business days.
Lennox 91X25 MERV 8 Pleated Air Filters
Our Price: $39.96

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Lennox 91X23 MERV 8 14x20x1 Genuine Pleated Air Filters 4-Pack
(91X23)

The Lennox 91X23 MERV 8 14x20x1 Genuine Pleated Air Filters 4-Pack is a furnace and air conditioning filter that reduces the following allergens:


In Stock! Ships in 3 to 4 business days.
Lennox 91X23 MERV 8 14x20x1 Genuine Pleated Air Filters 4-Pack
Our Price: $34.95
Retail: $39.99
You Save 13%!

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Lennox 98N44 MERV 8 Pleated Furnace Filter 4-Pack 4-Pack
(98N44)

This Lennox 98N44 MERV 8 Pleated Furnace Filters 4-Pack package is pleated filters that capture airborne particles and allergens between three to ten microns in size. The Lennox 98N44 MERV 8 filters come in this cost-cutting 4-pack package.


In Stock! Ships in 1 to 2 business days.
Lennox 98N44 MERV 8 Pleated Furnace Filter 4-Pack
Our Price: $43.99

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Filters Fast - Lennox Air and Furnace Filters

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