12x18x1 Air Filters (Nominal)

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Products   MERV Rating Filter Life Annual Cost Value Pack
MERV 8 12x18x1 SpiroPure O
MERV 8 Pleated Filters (Nominal Size)
    5 stars
  • $40.16
  • 6 Filters
  • ($6.69 / filters)
MERV 8
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3 Months $26.77
Best Value!

$40.16
6 Filters

($6.69 / filter)
12x18x1 MERV8 SpiroPure O
MERV 8 Pleated Filters (Nominal Size; 12 Pack)
  • $80.32
  • 12 Filters
  • ($6.69 / filters)
MERV 8
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3 Months $26.77
Best Value!

$80.32
12 Filters

($6.69 / filter)
MERV 11 12x18x1 SpiroPure O
MERV 11 Pleated Filters (Nominal Size)
    5 stars
  • $41.19
  • 6 Filters
  • ($6.87 / filters)
MERV 11
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3 Months $27.46

$41.19
6 Filters

($6.87 / filter)
12x18x1 MERV11 SpiroPure O
MERV 11 Pleated Filters (Nominal Size;12 Pack)
  • $82.38
  • 12 Filters
  • ($6.87 / filters)
MERV 11
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3 Months $27.46

$82.38
12 Filters

($6.87 / filter)
MERV 13 12x18x1 SpiroPure O
MERV 13 Pleated Filters (Nominal Size)
    5 stars
  • $49.43
  • 6 Filters
  • ($8.24 / filters)
MERV 13
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3 Months $32.95

$49.43
6 Filters

($8.24 / filter)
12x18x1 MERV13 SpiroPure O
MERV 13 Pleated Filters (Nominal Size; 12 Pack)
    5 stars
  • $98.86
  • 12 Filters
  • ($8.24 / filters)
MERV 13
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3 Months $32.95

$98.86
12 Filters

($8.24 / 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.