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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)
  • $42.99
  • 2 Filters
  • ($21.50/filter)
MERV 8
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6 Months $42.99/yr
Best Value!

$42.99
2 Filters

($21.50/filter)
17x26x4 Lennox MERV11 SpiroPure F
Lennox X6664 Compatible (MERV 11)
  • $51.99
  • 2 Filters
  • ($26.00/filter)
MERV 11
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6 Months $51.99/yr

$51.99
2 Filters

($26.00/filter)
17x26x4 Lennox MERV13 SpiroPure F
Lennox X6664 Compatible (MERV 13)
  • $56.99
  • 2 Filters
  • ($28.50/filter)
MERV 13
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6 Months $56.99/yr

$56.99
2 Filters

($28.50/filter)
17x26x4 Lennox OdorBan SpiroPure F
Lennox X6664 Compatible (OdorBan)
  • $63.99
  • 2 Filters
  • ($32.00/filter)
MERV 8
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6 Months Learn more
about odor eliminator filters
$63.99/yr

$63.99
2 Filters

($32.00/filter)
MERV Rating - Contaminant Removal Guide
MERV Rating   8 11 12 13
Lint & Dust  
Dust Mile Debris  
Pollen  
Mold Spores  
Pet Dander  
Auto Emissions  
Smoke  
Tobacco  
Bacteria  
Note: equals efficient removal of contaminant by filter.