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28x29.75x1 Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
28x29.75x1 MERV8 SpiroPure O
MERV 8 Pleated Filters (6 Pack)
  • $110.99
  • 6 Filters
  • ($18.50/filter)
MERV 8
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3 Months $73.99/yr
Best Value!

$110.99
6 Filters

($18.50/filter)
28x29.75x1 MERV11 SpiroPure O
MERV 11 Pleated Filters (6 Pack)
  • $127.99
  • 6 Filters
  • ($21.33/filter)
MERV 11
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3 Months $85.33/yr

$127.99
6 Filters

($21.33/filter)
28x29.75x1 MERV13 SpiroPure O
MERV 13 Pleated Filters (6 Pack)
  • $137.99
  • 6 Filters
  • ($23.00/filter)
MERV 13
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3 Months $91.99/yr

$137.99
6 Filters

($23.00/filter)
28x29.75x1 OdorBan SpiroPure F
MERV 8 Odor Eliminator Filters (6 Pack)
  • $177.99
  • 6 Filters
  • ($29.67/filter)
MERV 8
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3 Months Learn more
about odor eliminator filters
$118.66/yr

$177.99
6 Filters

($29.67/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.