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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


Lennox X8311 MERV 11 Expandable Filter Replacement
(X8311)

The Lennox X8311 is the correct filter for the following air cleaner: Lennox Healthy Climate HCXF14 Air Filtration System


In stock! Ships in 1 business day.
Lennox X8311 MERV 11 Expandable Filter Replacement
Our Price: $34.39
Retail: $38.71
You Save 11%!

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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.


In stock! Ships in 1 business day.
Lennox X0587 MERV 11 Pleated Media Filter
Our Price: $42.95
Retail: $49.99
You Save 14%!

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Lennox X8309 MERV 10 Expandable Filter Replacement
(X8309)

The Lennox X8309 MERV 10 Expandable Filter Replacement is a replacement expandable filter for the Lennox 16x25x5 model air cleaner. This pleated air filter measures approximately 16x25x5 and boasts a MERV 10 rating.


In stock! Ships in 1 business day.
Lennox X8309 MERV 10 Expandable Filter Replacement
Our Price: $29.99
Retail: $39.50
You Save 24%!

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FiltersFast A10WPR Replacement For Aprilaire 550 Humidifier Water Panel
(A10WPR)

The 550 fits Aprilaire, Chippewa, Hamilton, Honeywell, Lasko, Totaline, Healthy Climate and Lennox Humidifier systems.


In stock! Ships in 1 business day.
FiltersFast A10WPR Replacement For Aprilaire 550 Humidifier Water Panel
Our Price: $15.99
Retail: $19.99
You Save 20%!

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Lennox X8789 MERV 16 Filter Media Replacement
(X8789)

The Lennox X8789 MERV 16 Filter Media Replacement is the correct replacement for any HVAC system that requires a 16" x 26" x 5" filter. This Lennox Healthy Climate filter has an efficiency rating of MERV 16, the highest efficiency rating. The Len

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In stock! Ships in 1 business day.
Lennox X8789 MERV 16 Filter Media Replacement
Our Price: $119.95
Retail: $226.95
You Save 47%!

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Lennox 64X56 UV Air Purifier Replacement Lamp
(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 1 business day.
Lennox 64X56 UV Air Purifier Replacement Lamp
Our Price: $70.99
Retail: $89.00
You Save 20%!

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Lennox X1152 MERV 11 Pleated Media Furnace Filter
(X1152)

The Lennox X1152 MERV 10 Pleated Media Furnace Filter is the replacement filter cartridge for several Lennox, Trion Air Bear, other air cleaner systems requiring 20x25x5 furnace filters.


In stock! Ships in 1 business day.
Lennox X1152 MERV 11 Pleated Media Furnace Filter
Our Price: $33.95

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FiltersFast Brand White Rodgers 16x26x5 F825-0548 2Pack
(FFC16265WRM8)

If you are looking for a FiltersFast Brand economical compatible alternative for the OEM White Rodgers 16x26x5 Air Furnace Filter try this White Rodgers 16x26x5 Furnace Filter Replacement F825-0548.


In Stock! Ships in 2 to 3 business days.
FiltersFast Brand White Rodgers 16x26x5 F825-0548 2Pack
Our Price: $58.00
Retail: $59.99
You Save 3%!

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Lennox Y6606 PCO3-14-16 Air Filtration Filter
(DLXY6606)

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


In Stock! Ships in 9 to 10 business days.
Lennox Y6606 PCO3-14-16 Air Filtration Filter
Our Price: $86.37
Retail: $93.99
You Save 8%!

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Lennox X8348 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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In stock! Ships in 1 business day.
Lennox X8348 MERV 10 Filter Maintenance Kit
Our Price: $226.30
Retail: $254.95
You Save 11%!

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Lennox Y0391 UV Filtration Lamp Replacement
(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


In Stock! Ships in 13 to 14 business days.
Lennox Y0391 UV Filtration Lamp Replacement
Our Price: $61.95
Retail: $69.34
You Save 11%!

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Lennox 92X09 HEPA 40/60 Charcoal 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.


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Lennox 92X09 HEPA 40/60 Charcoal Carbon Filter
Our Price: $45.95
Retail: $48.25
You Save 5%!

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

The Trion Air Bear Media AC Filter 16x25x3 part number 255649-101 is a genuine Trion Air Bear pleated media filter. The 255649101 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 Air Bear Media AC Filter 16x25x3 6-Pack
Our Price: $100.95
Retail: $132.00
You Save 24%!

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FiltersFast Brand F825-0548 White Rodgers 16x26x5 2-Pack
(FFC16265WR)

The FiltersFast 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.
FiltersFast Brand F825-0548 White Rodgers 16x26x5 2-Pack
Our Price: $55.25

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Lennox Y0390 UV Air Filtration Lamp Replacement
(Y0390)

This 22 watt UV light is a genuine Lennox replacement bulb designed to be used in the Lennox UVC-24V to eliminate pollutants from your indoor air. By using intense ultraviolet light rays, the Lennox Y0390 replacement bulb penetrates the cell walls


In Stock! Ships in 4 to 5 business days.
Lennox Y0390 UV Air Filtration Lamp Replacement
Our Price: $39.95
Retail: $53.62
You Save 25%!

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Lennox Healthy Climate 75X66 Catalyst Insert Assembly
(75X66)

The Lennox 75X66 Metal Mesh Filter is the correct replacement for the following air cleaner: Lennox Pureair PCO-2OC The Lennox Pureair air cleaner is the only air cleaner made that destroys odors and VOC's, and has a MERV rating of MERV 16.

Free shipping within the continental United States!

In Stock! Ships in 3 to 4 business days.
Lennox Healthy Climate 75X66 Catalyst Insert Assembly
Our Price: $154.00
Retail: $199.99
You Save 23%!

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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.


In stock! Ships in 1 business day.
Lennox X4138 HEPA 40/60 Carbon PreFilter
Our Price: $32.99
Retail: $38.51
You Save 14%!

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Lennox X8149 UVA Air Filtration System Lamp
(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 comtaminants in the air through the use of light rays and no toxic chemicals.


In stock! Ships in 1 business day.
Lennox X8149 UVA Air Filtration System Lamp
Our Price: $30.00
Retail: $113.40
You Save 74%!

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Lennox X6669 MERV 16 Pleated Filter Media
(X6669)

The Lennox X6669 is a pleated box filter for your Pureair air cleaner. This air filter box measures 21x26x4 inches and is a pleated air filter. The Lennox x6669 furnace filter box can also be used to upgrade your older Pureair unit to a MERV 16.

Free shipping within the continental United States!

In stock! Ships in 1 business day.
Lennox X6669 MERV 16 Pleated Filter Media
Our Price: $119.83
Retail: $149.99
You Save 20%!

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Lennox X8794 UV Lamp for Pure Air Filter Systems
(X8794)

The Lennox PureAir UV filter 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.


In Stock! Ships in 19 to 20 business days.
Lennox X8794 UV Lamp for Pure Air Filter Systems
Our Price: $36.95
Retail: $37.00
You Save 0%!

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FiltersFast Brand 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 2 to 3 business days.
FiltersFast Brand Trion 16x25x3 Air Bear MERV13 3-Pack
Our Price: $84.00
Retail: $100.00
You Save 16%!

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FiltersFast Brand F825-0549 White Rodgers 20x26x5 2Pack
(FFC20265WR)

The FiltersFast 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.
FiltersFast Brand F825-0549 White Rodgers 20x26x5 2Pack
Our Price: $73.99
Retail: $79.99
You Save 8%!

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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

Free shipping within the continental United States!

In Stock! Ships in 14 to 15 business days.
Lennox X8349 MERV 10 Filter Maintenance Kit
Our Price: $196.00
Retail: $225.25
You Save 13%!

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Lennox Y6616 PCO3-14-16 PureAir Maintenance Kit
(DLXY6616)

The Lennox Y6616 PCO3-14-16 Air Filter Maintenance Kit includes the following:




In Stock! Ships in 13 to 14 business days.
Lennox Y6616 PCO3-14-16 PureAir Maintenance Kit
Our Price: $167.54
Retail: $178.54
You Save 6%!

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Lennox Y6612 PCO3-16-16 Air Filter Maintenance Kit
(DLXY6612)

The Lennox Y6612 PCO3-16-16 Air Filter Maintenance Kit includes the following:


In Stock! Ships in 5 to 6 business days.
Lennox Y6612 PCO3-16-16 Air Filter Maintenance Kit
Our Price: $167.54
Retail: $178.54
You Save 6%!

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