21.5x27.5x5 Honeywell FC100A1045 / 207583

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Products   MERV Rating Filter Life Annual Cost Value Pack
21.5x27.5x5 Honeywell MERV8 SpiroPure F
Honeywell Compatible (MERV 8)
  • $58.99
  • 2 Filters
  • ($29.50/filter)
MERV 8
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6 Months $58.99/yr
Best Value!

$58.99
2 Filters

($29.50/filter)
Honeywell FC100A1045 Honeywell
Honeywell FC100A1045 Furnace Filter
  • $43.99
  • 1 Filters
  • ($43.99/filter)
MERV 11
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6 Months $87.98/yr

$43.99
1 Filters

($43.99/filter)
21.5x27.5x5 Honeywell MERV11 SpiroPure F
Honeywell Compatible (MERV 11)
  • $63.99
  • 2 Filters
  • ($32.00/filter)
MERV 11
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6 Months $63.99/yr

$63.99
2 Filters

($32.00/filter)
21.5x27.5x5 Honeywell MERV13 SpiroPure F
Honeywell Compatible (MERV 13)
  • $64.99
  • 2 Filters
  • ($32.50/filter)
MERV 13
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6 Months $64.99/yr

$64.99
2 Filters

($32.50/filter)
21.5x27.5x5 Honeywell OdorBan SpiroPure F
Honeywell Compatible (OdorBan)
  • $79.99
  • 2 Filters
  • ($40.00/filter)
MERV 10
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6 Months Learn more
about odor eliminator filters
$79.99/yr

$79.99
2 Filters

($40.00/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.