28x28x1 Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
28x28x1 MERV8 SpiroPure O
MERV 8 Pleated Filters (6 Pack)
  • $117.46
  • 6 Filters
  • ($19.58 / filters)
MERV 8
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3 Months $78.31
Best Value!

$117.46
6 Filters

($19.58 / filter)
28x28x1 MERV11 SpiroPure O
MERV 11 Pleated Filters (6 Pack)
  • $137.77
  • 6 Filters
  • ($22.96 / filters)
MERV 11
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3 Months $91.85

$137.77
6 Filters

($22.96 / filter)
28x28x1 MERV13 SpiroPure O
MERV 13 Pleated Filters (6 Pack)
  • $176.77
  • 6 Filters
  • ($29.46 / filters)
MERV 13
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3 Months $117.85

$176.77
6 Filters

($29.46 / filter)
28x28x1 OdorBan SpiroPure F
MERV 10 Odor Eliminator Filters (6 Pack)
  • $156.42
  • 6 Filters
  • ($26.07 / filters)
MERV 10
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3 Months Learn more
about odor eliminator filters
$104.28

$156.42
6 Filters

($26.07 / 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.