11.5x23.5x1 Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
11.5x23.5x1 MERV8 SpiroPure O
MERV 8 Pleated Filters (6 Pack)
    5 stars
  • $30.99
  • 6 Filters
  • ($5.17/filter)
MERV 8
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3 Months $20.66/yr
Best Value!

$30.99
6 Filters

($5.17/filter)
11.5x23.5x1 MERV11 SpiroPure O
MERV 11 Pleated Filters (6 Pack)
    5 stars
  • $35.99
  • 6 Filters
  • ($6.00/filter)
MERV 11
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3 Months $23.99/yr

$35.99
6 Filters

($6.00/filter)
11.5x23.5x1 MERV13 SpiroPure O
MERV 13 Pleated Filters (6 Pack)
    5 stars
  • $36.99
  • 6 Filters
  • ($6.17/filter)
MERV 13
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3 Months $24.66/yr

$36.99
6 Filters

($6.17/filter)
11.5x23.5x1 OdorBan SpiroPure F
MERV 10 Odor Eliminator Filters (6 Pack)
  • $56.99
  • 6 Filters
  • ($9.50/filter)
MERV 10
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3 Months Learn more
about odor eliminator filters
$37.99/yr

$56.99
6 Filters

($9.50/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.