17x26x4 Lennox X6664

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Products   MERV Rating Filter Life Annual Cost Value Pack
17x26x4 Lennox MERV8 SpiroPure F
Lennox X6664 Compatible (MERV 8)
    5 stars
  • $54.99
  • 2 Filters
  • ($27.50 / filters)
MERV 8
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6 Months $54.99
Best Value!

$54.99
2 Filters

($27.50 / filter)
Lennox X6664 Lennox
Healthy Climate 75X74 X6664
  • $50.99
  • 1 Filters
  • ($50.99 / filters)
MERV 11
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6 Months $101.98

$50.99
1 Filters

($50.99 / filter)
17x26x4 Lennox MERV11 SpiroPure F
Lennox X6664 Compatible (MERV 11)
  • $65.99
  • 2 Filters
  • ($33.00 / filters)
MERV 11
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6 Months $65.99

$65.99
2 Filters

($33.00 / filter)
Lennox X8349 Lennox
Healthy Climate PureAir Maintenance Kit X8349
  • $304.99
  • 1 Filters
  • ($304.99 / filters)
MERV 11
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12 Months $304.99

$304.99
1 Filters

($304.99 / filter)
17x26x4 Lennox MERV13 SpiroPure F
Lennox X6664 Compatible (MERV 13)
    4 stars
  • $70.99
  • 2 Filters
  • ($35.50 / filters)
MERV 13
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6 Months $70.99

$70.99
2 Filters

($35.50 / filter)
X6666 17x26x4 SpiroPure O
Lennox X6666 Replacement (MERV16)
  • $109.99
  • 1 Filters
  • ($109.99 / filters)
MERV 13
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6 Months $219.98

$109.99
1 Filters

($109.99 / filter)
Lennox X6666 Lennox
X6666 Healthy Climate 17" x 26" x 4"
  • $146.99
  • 1 Filters
  • ($146.99 / filters)
MERV 13
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6 Months $293.98

$146.99
1 Filters

($146.99 / filter)
Lennox X8346 Lennox
Healthy Climate PureAir Upgrade Kit X8346
  • $262.99
  • 1 Filters
  • ($262.99 / filters)
MERV 13
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12 Months $262.99

$262.99
1 Filters

($262.99 / filter)
Lennox X8347 Lennox
Healthy Climate PureAir Maintenance Kit X8347
  • $383.99
  • 1 Filters
  • ($383.99 / filters)
MERV 13
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12 Months $383.99

$383.99
1 Filters

($383.99 / filter)
17x26x4 Lennox OdorBan SpiroPure F
Lennox X6664 Compatible (OdorBan)
  • $70.99
  • 2 Filters
  • ($35.50 / filters)
MERV 10
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6 Months Learn more
about odor eliminator filters
$70.99

$70.99
2 Filters

($35.50 / filter)
MERV Rating - Contaminant Removal Guide
MERV Rating   8 11 12 13
Lint & Dust  
Dust Mite Debris  
Pollen  
Mold Spores  
Pet Dander  
Auto Emissions  
Smoke  
Tobacco  
Bacteria  
Note: equals efficient removal of contaminant by filter.