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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 Y6598 PCO3-16-16 Air Purification Filter System
(Y6598)

The Lennox Y6598 PCO3-16-16 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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In Stock! Ships in 2 to 3 business days.
Lennox Y6598 PCO3-16-16 Air Purification Filter System
Our Price: $689.95
Retail: $761.00
You Save 9%!

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Lennox 98N43 MERV 8 Pleated Furnace Filter 4-Pack 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


In Stock! Ships in 1 to 2 business days.
Lennox 98N43 MERV 8 Pleated Furnace Filter 4-Pack
Our Price: $95.00

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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.

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In Stock! Ships in 1 to 2 business days.
Lennox X4573 UV-1000 Air Filtration System
Our Price: $331.99
Retail: $349.99
You Save 5%!

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Lennox X4912 HEPA 20 Air Filtration System
(X4912)

This Lennox X4912 HEPA 20 Air Filtration System completely and quietly filters the air inside your home, several times a day. This Lennox Air Filtration Unit contains particles and prevents them from escaping.

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In Stock! Ships in 2 to 3 business days.
Lennox X4912 HEPA 20 Air Filtration System
Our Price: $498.95
Retail: $599.99
You Save 17%!

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Lennox X4914 HEPA 60 Bypass Air Filtration System 500 CFM
(X4914)

This Lennox X4914 HEPA 60 Air Filtration System offers powerful, yet quiet performance. The Lennox Air Filtration System has a Sealed, Bypass Design.

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In Stock! Ships in 2 to 3 business days.
Lennox X4914 HEPA 60 Bypass Air Filtration System 500 CFM
Our Price: $999.95
Retail: $1,199.99
You Save 17%!

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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 1 to 2 business days.
Lennox 91X23 MERV 8 14x20x1 Genuine Pleated Air Filters 4-Pack
Our Price: $33.95
Retail: $38.95
You Save 13%!

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Lennox X8304 MERV 10 Expandable Filter Kit
(X8304)

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

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In Stock! Ships in 1 to 2 business days.
Lennox X8304 MERV 10 Expandable Filter Kit
Our Price: $101.99
Retail: $104.99
You Save 3%!

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Lennox X8306 MERV 16 HCXF16-16 Expandable Filter Kit
(X8306)

The Lennox X8306 expandable filter HCXF16-16 is a MERV 16 furnace filter for your home. This Lennox healthy climate filter measures 16x25x5 inches.

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In Stock! Ships in 2 to 3 business days.
Lennox X8306 MERV 16 HCXF16-16 Expandable Filter Kit
Our Price: $142.95
Retail: $169.99
You Save 16%!

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Lennox Y6601 PCO3-14-16 Air Purification Filter System
(Y6601)

The Lennox Y6601 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.

Free shipping within the continental United States!

In Stock! Ships in 1 to 2 business days.
Lennox Y6601 PCO3-14-16 Air Purification Filter System
Our Price: $689.95
Retail: $771.00
You Save 11%!

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Lennox X4575 Healthy Climate 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.

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In Stock! Ships in 2 to 3 business days.
Lennox X4575 Healthy Climate UV-2000 Air Filtration System
Our Price: $549.95
Retail: $799.99
You Save 31%!

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Lennox 91X24 MERV 8 Pleated Air Filters 4-Pack 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.


In Stock! Ships in 1 to 2 business days.
Lennox 91X24 MERV 8 Pleated Air Filters 4-Pack
Our Price: $37.95

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Lennox X5804 HC 94284161 15" HEPA 40/60 Annual Maintenance Kit
(X5804)

The Lennox X5804 Healthy Climate 94284161 15 inch HEPA 40/60 Annual Maintenance 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.

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In Stock! Ships in 3 to 4 business days.
Lennox X5804 HC 94284161 15" HEPA 40/60 Annual Maintenance Kit
Our Price: $189.95
Retail: $220.60
You Save 14%!

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Lennox Y2789 Healthy Climate HCWP3-18A House Humidifier 18 GPD
(Y2789)

This Lennox Y2789 Healthy Climate HCWP3-18A House Humidifier 18 GPD 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.

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In Stock! Ships in 2 to 3 business days.
Lennox Y2789 Healthy Climate HCWP3-18A House Humidifier 18 GPD
Our Price: $299.95
Retail: $399.99
You Save 25%!

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Lennox X8303 MERV 10 Expandable Filter Kit
(X8303)

The Lennox X8303 MERV 10 Expandable Filter Kit is the correct replacement for several models of the following brands of air cleaners: Bryant & Carrier Honeywell Lennox Trion This Lennox Healthy Climate filter kit contains one filter and


In Stock! Ships in 1 to 2 business days.
Lennox X8303 MERV 10 Expandable Filter Kit
Our Price: $49.50
Retail: $49.99
You Save 1%!

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Lennox X8346 PureAir PCO-12C MERV 16 Maintenance Kit 17x26x4
(X8346)

The Lennox X8346 PureAir PCO-12C MERV 16 Maintenance Kit 17x26x4 is the correct upgrade for the following whole-house purification system: Lennox PureAir PCO 12C.

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In Stock! Ships in 1 to 2 business days.
Lennox X8346 PureAir PCO-12C MERV 16 Maintenance Kit 17x26x4
Our Price: $152.95
Retail: $215.00
You Save 29%!

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Lennox 47N69 Pleat Spacers
(47N69)

The Lennox 47N69 Pleat Spacers 6-pack include 32 black teeth for each spacer.


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Lennox 47N69 Pleat Spacers
Our Price: $19.95
Retail: $29.99
You Save 33%!

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Lennox X8344 PureAir PCO-20C MERV 16 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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In Stock! Ships in 2 to 3 business days.
Lennox X8344 PureAir PCO-20C MERV 16 Upgrade Kit
Our Price: $219.95
Retail: $299.99
You Save 27%!

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Lennox 64X37 Ozone UV Purifier Lamp Replacement 6-Pack
(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

Free shipping within the continental United States!

In Stock! Ships in 1 to 2 business days.
Lennox 64X37 Ozone UV Purifier Lamp Replacement
Our Price: $551.70

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Lennox 69H85 Whole House Air Purifier Filter 6-Pack
(69H85)

The Lennox 69H85 Whole House Air Purifier Filter is a replacement air filter for the EAC12-14 and EAC-14 Healthy Climate Electronic Air Cleaner from Lennox. This washable pre-filter traps large pollutants, like dust and dirt particles, and helps you


In Stock! Ships in 3 to 4 business days.
Lennox 69H85 Whole House Air Purifier Filter
Our Price: $71.10

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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.


In Stock! Ships in 5 to 6 business days.
Lennox 72H09 EAC-2000 Carbon Filter Replacement
Our Price: $80.82
Retail: $111.40
You Save 27%!

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Lennox 75X76 Air Filtration System UV Lamp Socket
(75X76)

The Lennox 75X76 Air Filtration System UV Lamp Socket is a replacement UV lamp socket for the Lennox PureAir Air Purification System models PCO-12C and PCO-20C.


In Stock! Ships in 3 to 4 business days.
Lennox 75X76 Air Filtration System UV Lamp Socket
Our Price: $9.25
Retail: $19.99
You Save 54%!

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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 9 to 10 business days.
Lennox 91X25 MERV 8 Pleated Air Filters
Our Price: $35.96

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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.

Free shipping within the continental United States!

In Stock! Ships in 1 to 2 business days.
Lennox 94X98 HEPA 20 Filter System Carbon Canister
Our Price: $101.86
Retail: $141.00
You Save 28%!

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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: $39.99

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Lennox 98N45 MERV 8 Pleated Furnace Filter 4-Pack 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 7 to 8 business days.
Lennox 98N45 MERV 8 Pleated Furnace Filter 4-Pack
Our Price: $42.96

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