11.25x26.75x4 Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
11.25x26.75x4 MERV8 SpiroPure O
MERV 8 Pleated Filters (6 Pack)
  • $129.99
  • 6 Filters
  • ($21.67/filter)
MERV 8
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3 Months $86.66/yr
Best Value!

$129.99
6 Filters

($21.67/filter)
11.25x26.75x4 MERV11 SpiroPure O
MERV 11 Pleated Filters (6 Pack)
  • $152.99
  • 6 Filters
  • ($25.50/filter)
MERV 11
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3 Months $101.99/yr

$152.99
6 Filters

($25.50/filter)
11.25x26.75x4 MERV13 SpiroPure O
MERV 13 Pleated Filters (6 Pack)
  • $150.99
  • 6 Filters
  • ($25.17/filter)
MERV 13
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3 Months $100.66/yr

$150.99
6 Filters

($25.17/filter)
11.25x26.75x4 OdorBan SpiroPure F
MERV 10 Odor Eliminator Filters (6 Pack)
  • $239.99
  • 6 Filters
  • ($40.00/filter)
MERV 10
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3 Months Learn more
about odor eliminator filters
$159.99/yr

$239.99
6 Filters

($40.00/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.