White-Rodgers 20x20x4 Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
20x20x4 White-Rodgers MERV8 SpiroPure F
White-Rodgers Compatible (MERV 8)
    5 stars
  • $34.99
  • 2 Filters
  • ($17.50/filters)
MERV 8
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6 Months $34.99
Best Value!

$34.99
2 Filters

($17.50/filter)
20x20x4 White-Rodgers MERV11 SpiroPure F
White-Rodgers Compatible (MERV 11)
  • $40.99
  • 2 Filters
  • ($20.50/filters)
MERV 11
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6 Months $40.99

$40.99
2 Filters

($20.50/filter)
20x20x4 White-Rodgers MERV13 SpiroPure F
White-Rodgers Compatible (MERV 13)
    5 stars
  • $48.99
  • 2 Filters
  • ($24.50/filters)
MERV 13
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6 Months $48.99

$48.99
2 Filters

($24.50/filter)
20x20x4 White-Rodgers OdorBan SpiroPure F
White-Rodgers Compatible (OdorBan)
  • $40.99
  • 2 Filters
  • ($20.50/filters)
MERV 10
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6 Months Learn more
about odor eliminator filters
$40.99

$40.99
2 Filters

($20.50/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.