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)
  • $119.28
  • 6 Filters
  • ($19.88/filters)
MERV 8
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3 Months $79.52
Best Value!

$119.28
6 Filters

($19.88/filter)
11.25x26.75x4 MERV11 SpiroPure O
MERV 11 Pleated Filters (6 Pack)
  • $152.35
  • 6 Filters
  • ($25.39/filters)
MERV 11
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3 Months $101.57

$152.35
6 Filters

($25.39/filter)
11.25x26.75x4 MERV13 SpiroPure O
MERV 13 Pleated Filters (6 Pack)
  • $157.23
  • 6 Filters
  • ($26.21/filters)
MERV 13
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3 Months $104.82

$157.23
6 Filters

($26.21/filter)
11.25x26.75x4 OdorBan SpiroPure F
MERV 10 Odor Eliminator Filters (6 Pack)
  • $258.48
  • 6 Filters
  • ($43.08/filters)
MERV 10
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3 Months Learn more
about odor eliminator filters
$172.32

$258.48
6 Filters

($43.08/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.