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Lennox X6670 - (2-Pack) Healthy Climate 16" X 25" X 5" OEM HCF16-11 Air Filter, MERV 11
$59.99
Amazon.com
919
Free shipping
Lennox X6670 - (2-Pack) Healthy Climate 16" X 25" X 5" OEM HCF16-11 Air Filter, MERV 11
$59.99
Amazon.com
919
Y6604 MERV16 20X26x5 Furnace Replacement Filter Compatible With Lennox Y6604 Pureair PCO3-20-16 Air Purifier Cleaner Purification Systems, 3 Pack
$162.99
Amazon.com
20
Free shipping
Y6604 MERV16 20X26x5 Furnace Replacement Filter Compatible With Lennox Y6604 Pureair PCO3-20-16 Air Purifier Cleaner Purification Systems, 3 Pack
$162.99
Amazon.com
20
Filtrete 20X25x5 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (Actual
$49.99
Amazon.com
252
Free shipping
Filtrete 20X25x5 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (Actual
$49.99
Amazon.com
252
Lennox X6673 Healthy Climate HCF20-11 MERV 11 Filter Media (2 Pack)
$65.99
Amazon.com
4K+
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Lennox X6673 Healthy Climate HCF20-11 MERV 11 Filter Media (2 Pack)
$65.99
Amazon.com
4K+
Y6606 MERV 16 Filter 20X21x5 - Y6606 Filter 2Pack - Replacement For Lennox Y6606 Merv 16 Filter 20X21x5 - Compatible With Lennox Pureair PCO3-14-16
$156.99
Amazon.com
4
Free shipping
Y6606 MERV 16 Filter 20X21x5 - Y6606 Filter 2Pack - Replacement For Lennox Y6606 Merv 16 Filter 20X21x5 - Compatible With Lennox Pureair PCO3-14-16
$156.99
Amazon.com
4
Y6606 MERV16 Replacement 20X21x5 Inch Efficient Air Filter Compatible With Lennox Pureair PCO3-14-16 Air Purifier Cleaner Purification System, Pack
$65.88
Amazon.com
3
Free shipping
Y6606 MERV16 Replacement 20X21x5 Inch Efficient Air Filter Compatible With Lennox Pureair PCO3-14-16 Air Purifier Cleaner Purification System, Pack
$65.88
Amazon.com
3
PCO-20C Lennox MERV 11 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
$41.95
$46.95
Discount Filters
10% off
PCO-20C Lennox MERV 11 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
$41.95
$46.95
Discount Filters
16X25x3 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear, Lennox X0581, & More
$88.92
FilterBuy.com
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16X25x3 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear, Lennox X0581, & More
$88.92
FilterBuy.com
46
16X20x5 Air Filter (2-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters For Honeywell FC100A1003, Lennox X0592, & More
$89.98
FilterBuy.com
138
16X20x5 Air Filter (2-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters For Honeywell FC100A1003, Lennox X0592, & More
$89.98
FilterBuy.com
138
16X20x5 Air Filter (3-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1003, Lennox X0592, & More
$88.98
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70
16X20x5 Air Filter (3-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1003, Lennox X0592, & More
$88.98
FilterBuy.com
70
Lennox X6673 20X25x5 MERV 11 Healthy Climate Furnace & AC Air Filter
$63.96
$71.96
FiltersFast.com
11% off
Lennox X6673 20X25x5 MERV 11 Healthy Climate Furnace & AC Air Filter
$63.96
$71.96
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19L17 Lennox MERV 11 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$51.95
Discount Filters
19L17 Lennox MERV 11 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$51.95
Discount Filters
X6672 Lennox MERV 16 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
$134.95
$144.15
Discount Filters
X6672 Lennox MERV 16 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
$134.95
$144.15
Discount Filters
Lennox X6675 20X25x5 MERV 16 Healthy Climate Furnace & AC Air Filter
$147.95
$159.95
FiltersFast.com
Lennox X6675 20X25x5 MERV 16 Healthy Climate Furnace & AC Air Filter
$147.95
$159.95
FiltersFast.com
16X20x5 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1003, Lennox X0592, & More
$54.13
FilterBuy.com
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16X20x5 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1003, Lennox X0592, & More
$54.13
FilterBuy.com
10
X6670 Lennox MERV 11 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$53.95
Discount Filters
X6670 Lennox MERV 11 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$53.95
Discount Filters
Lennox X6673 MERV 11 Filter Media 25 X 20 X 5 Inch
$38.99
Amazon.com
1K+
Free shipping
Lennox X6673 MERV 11 Filter Media 25 X 20 X 5 Inch
$38.99
Amazon.com
1K+
20X25x5 Air Filter (3-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters For Honeywell FC100A1037, Lennox X6673, Carrier, & More
$85.98
FilterBuy.com
20X25x5 Air Filter (3-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters For Honeywell FC100A1037, Lennox X6673, Carrier, & More
$85.98
FilterBuy.com
HCC20-28 Lennox MERV 16 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
$154.95
$169.90
Discount Filters
HCC20-28 Lennox MERV 16 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
$154.95
$169.90
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Filtrete 16X25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox & Honeywell Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 2-
$57.22
Amazon.com
545
Free shipping
Filtrete 16X25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox & Honeywell Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 2-
$57.22
Amazon.com
545
X6672 Filters Fast Replacement For Lennox X6672 16X25x5 MERV 16 Furnace & AC Air Filter
$74.91
$89.96
FiltersFast.com
4K+
16% off
X6672 Filters Fast Replacement For Lennox X6672 16X25x5 MERV 16 Furnace & AC Air Filter
$74.91
$89.96
FiltersFast.com
4K+
Lennox X7935 Carbon Clean Healthy Climate MERV 16 Filter (2 Pack)
$205.00
Amazon.com
503
Free shipping
Lennox X7935 Carbon Clean Healthy Climate MERV 16 Filter (2 Pack)
$205.00
Amazon.com
503
Filtrete 16X25x5 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (Actual
$49.99
Amazon.com
201
Free shipping
Filtrete 16X25x5 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (Actual
$49.99
Amazon.com
201
X0445 Lennox Healthy Climate MERV 11 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$52.95
$54.95
Discount Filters
X0445 Lennox Healthy Climate MERV 11 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$52.95
$54.95
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X8790 Lennox MERV 16 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$99.95
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X8790 Lennox MERV 16 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$99.95
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X6673 Lennox MERV 16 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$109.82
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X6673 Lennox MERV 16 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$109.82
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Lennox Corporation X6667 Filter 21X26x4 MERV 11 (Pack Of 3)
$126.03
Amazon.com
6
Free shipping
Lennox Corporation X6667 Filter 21X26x4 MERV 11 (Pack Of 3)
$126.03
Amazon.com
6
X6673 Lennox MERV 13 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$74.95
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X6673 Lennox MERV 13 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$74.95
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HCF19-11 Lennox MERV 16 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
$145.95
$207.81
Discount Filters
29% off
HCF19-11 Lennox MERV 16 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
$145.95
$207.81
Discount Filters
X6670 Lennox MERV 8 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$46.95
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X6670 Lennox MERV 8 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$46.95
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HCC14-23 Lennox MERV 16 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
$156.95
$163.95
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HCC14-23 Lennox MERV 16 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
$156.95
$163.95
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HCC20-28 Lennox MERV 16 Replacement Air Filter By Lennox, 2 Pk | Furnace & AC Filter | Pleated
$299.90
$329.50
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HCC20-28 Lennox MERV 16 Replacement Air Filter By Lennox, 2 Pk | Furnace & AC Filter | Pleated
$299.90
$329.50
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PMAC-20C Lennox MERV 10 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
$49.95
$56.95
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12% off
PMAC-20C Lennox MERV 10 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
$49.95
$56.95
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PCO14-23 Lennox MERV 16 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
$187.95
$199.95
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PCO14-23 Lennox MERV 16 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
$187.95
$199.95
Discount Filters
17X26x4 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Lennox
$143.88
FilterBuy.com
5
17X26x4 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Lennox
$143.88
FilterBuy.com
5
X5425 Lennox MERV 16 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$126.59
Discount Filters
X5425 Lennox MERV 16 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
$126.59
Discount Filters
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    Shop lennox air filter replacement

    Sponsored
    About our ads
    Lennox X6670 - (2-Pack) Healthy Climate 16" X 25" X 5" OEM HCF16-11 Air Filter, MERV 11
    $59.99
    Amazon.com
    919
    Free shipping
    Lennox X6670 - (2-Pack) Healthy Climate 16" X 25" X 5" OEM HCF16-11 Air Filter, MERV 11
    $59.99
    Amazon.com
    919
    Y6604 MERV16 20X26x5 Furnace Replacement Filter Compatible With Lennox Y6604 Pureair PCO3-20-16 Air Purifier Cleaner Purification Systems, 3 Pack
    $162.99
    Amazon.com
    20
    Free shipping
    Y6604 MERV16 20X26x5 Furnace Replacement Filter Compatible With Lennox Y6604 Pureair PCO3-20-16 Air Purifier Cleaner Purification Systems, 3 Pack
    $162.99
    Amazon.com
    20
    Filtrete 20X25x5 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (Actual
    $49.99
    Amazon.com
    252
    Free shipping
    Filtrete 20X25x5 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (Actual
    $49.99
    Amazon.com
    252
    Lennox X6673 Healthy Climate HCF20-11 MERV 11 Filter Media (2 Pack)
    $65.99
    Amazon.com
    4K+
    Free shipping
    Lennox X6673 Healthy Climate HCF20-11 MERV 11 Filter Media (2 Pack)
    $65.99
    Amazon.com
    4K+
    Y6606 MERV 16 Filter 20X21x5 - Y6606 Filter 2Pack - Replacement For Lennox Y6606 Merv 16 Filter 20X21x5 - Compatible With Lennox Pureair PCO3-14-16
    $156.99
    Amazon.com
    4
    Free shipping
    Y6606 MERV 16 Filter 20X21x5 - Y6606 Filter 2Pack - Replacement For Lennox Y6606 Merv 16 Filter 20X21x5 - Compatible With Lennox Pureair PCO3-14-16
    $156.99
    Amazon.com
    4
    Y6606 MERV16 Replacement 20X21x5 Inch Efficient Air Filter Compatible With Lennox Pureair PCO3-14-16 Air Purifier Cleaner Purification System, Pack
    $65.88
    Amazon.com
    3
    Free shipping
    Y6606 MERV16 Replacement 20X21x5 Inch Efficient Air Filter Compatible With Lennox Pureair PCO3-14-16 Air Purifier Cleaner Purification System, Pack
    $65.88
    Amazon.com
    3
    PCO-20C Lennox MERV 11 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
    $41.95
    $46.95
    Discount Filters
    10% off
    PCO-20C Lennox MERV 11 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
    $41.95
    $46.95
    Discount Filters
    16X25x3 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear, Lennox X0581, & More
    $88.92
    FilterBuy.com
    46
    16X25x3 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement For Trion Air Bear, Lennox X0581, & More
    $88.92
    FilterBuy.com
    46
    16X20x5 Air Filter (2-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters For Honeywell FC100A1003, Lennox X0592, & More
    $89.98
    FilterBuy.com
    138
    16X20x5 Air Filter (2-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters For Honeywell FC100A1003, Lennox X0592, & More
    $89.98
    FilterBuy.com
    138
    16X20x5 Air Filter (3-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1003, Lennox X0592, & More
    $88.98
    FilterBuy.com
    70
    16X20x5 Air Filter (3-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1003, Lennox X0592, & More
    $88.98
    FilterBuy.com
    70
    Lennox X6673 20X25x5 MERV 11 Healthy Climate Furnace & AC Air Filter
    $63.96
    $71.96
    FiltersFast.com
    11% off
    Lennox X6673 20X25x5 MERV 11 Healthy Climate Furnace & AC Air Filter
    $63.96
    $71.96
    FiltersFast.com
    19L17 Lennox MERV 11 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
    $51.95
    Discount Filters
    19L17 Lennox MERV 11 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
    $51.95
    Discount Filters
    X6672 Lennox MERV 16 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
    $134.95
    $144.15
    Discount Filters
    X6672 Lennox MERV 16 Replacement Air Filter By Lennox, 1 Pk | Furnace & AC Filter | Pleated
    $134.95
    $144.15
    Discount Filters
    Lennox X6675 20X25x5 MERV 16 Healthy Climate Furnace & AC Air Filter
    $147.95
    $159.95
    FiltersFast.com
    Lennox X6675 20X25x5 MERV 16 Healthy Climate Furnace & AC Air Filter
    $147.95
    $159.95
    FiltersFast.com
    16X20x5 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1003, Lennox X0592, & More
    $54.13
    FilterBuy.com
    10
    16X20x5 Air Filter (1-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters For Honeywell FC100A1003, Lennox X0592, & More
    $54.13
    FilterBuy.com
    10
    X6670 Lennox MERV 11 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
    $53.95
    Discount Filters
    X6670 Lennox MERV 11 Replacement Air Filter By Airx, 1 Pk | Furnace & AC Filter | Pleated
    $53.95
    Discount Filters
    Lennox X6673 MERV 11 Filter Media 25 X 20 X 5 Inch
    $38.99
    Amazon.com
    1K+
    Free shipping
    Lennox X6673 MERV 11 Filter Media 25 X 20 X 5 Inch
    $38.99
    Amazon.com
    1K+
    20X25x5 Air Filter (3-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters For Honeywell FC100A1037, Lennox X6673, Carrier, & More
    $85.98
    FilterBuy.com
    20X25x5 Air Filter (3-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters For Honeywell FC100A1037, Lennox X6673, Carrier, & More
    $85.98
    FilterBuy.com