13.375x23.125x1 Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
13.375x21.125x1 MERV8 SpiroPure O
MERV 8 Pleated Filters (6 Pack)
  • $64.99
  • 6 Filters
  • ($10.83/filter)
MERV 8
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3 Months $43.33/yr
Best Value!

$64.99
6 Filters

($10.83/filter)
13.375x21.125x1 MERV11 SpiroPure O
MERV 11 Pleated Filters (6 Pack)
  • $75.99
  • 6 Filters
  • ($12.67/filter)
MERV 11
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3 Months $50.66/yr

$75.99
6 Filters

($12.67/filter)
13.375x21.125x1 MERV13 SpiroPure F
MERV 13 Pleated Filters (6 Pack)
  • $83.99
  • 6 Filters
  • ($14.00/filter)
MERV 13
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3 Months $55.99/yr

$83.99
6 Filters

($14.00/filter)
13.375x21.125x1 OdorBan SpiroPure F
MERV 8 Odor Eliminator Filters (6 Pack)
  • $87.99
  • 6 Filters
  • ($14.67/filter)
MERV 8
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3 Months Learn more
about odor eliminator filters
$58.66/yr

$87.99
6 Filters

($14.67/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.