20x20x4 Air Filters (Actual)

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Products   MERV Rating Filter Life Annual Cost Value Pack
20x20x4 MERV8 SpiroPure O
MERV 8 Pleated Filters (6 Pack)
  • $156.89
  • 6 Filters
  • ($26.15 / filters)
MERV 8
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3 Months $104.59
Best Value!

$156.89
6 Filters

($26.15 / filter)
20x20x4 MERV11 SpiroPure O
MERV 11 Pleated Filters (6 Pack)
  • $204.11
  • 6 Filters
  • ($34.02 / filters)
MERV 11
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3 Months $136.07

$204.11
6 Filters

($34.02 / filter)
20x20x4 MERV13 SpiroPure O
MERV 13 Pleated Filters (6 Pack)
  • $216.80
  • 6 Filters
  • ($36.13 / filters)
MERV 13
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3 Months $144.53

$216.80
6 Filters

($36.13 / filter)
20x20x4 OdorBan SpiroPure F
MERV 10 Odor Eliminator Filters (6 Pack)
  • $285.72
  • 6 Filters
  • ($47.62 / filters)
MERV 10
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3 Months Learn more
about odor eliminator filters
$190.48

$285.72
6 Filters

($47.62 / 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.