12x18x1 Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
MERV 8 12x18x1 SpiroPure O
MERV 8 Pleated Filters (6 Pack)
    5 stars
  • $37.99
  • 6 Filters
  • ($6.33/filter)
MERV 8
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3 Months $25.33/yr

$37.99
6 Filters

($6.33/filter)
12x18x1 MERV8 SpiroPure O
MERV 8 Pleated Filters (12 Pack)
  • $74.99
  • 12 Filters
  • ($6.25/filter)
MERV 8
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3 Months $25.00/yr
Best Value!

$74.99
12 Filters

($6.25/filter)
MERV 11 12x18x1 SpiroPure O
MERV 11 Pleated Filters (6 Pack)
    5 stars
  • $42.99
  • 6 Filters
  • ($7.17/filter)
MERV 11
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3 Months $28.66/yr

$42.99
6 Filters

($7.17/filter)
12x18x1 MERV11 SpiroPure O
MERV 11 Pleated Filters (12 Pack)
  • $84.99
  • 12 Filters
  • ($7.08/filter)
MERV 11
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3 Months $28.33/yr

$84.99
12 Filters

($7.08/filter)
MERV 13 12x18x1 SpiroPure O
MERV 13 Pleated Filters (6 Pack)
    5 stars
  • $48.99
  • 6 Filters
  • ($8.17/filter)
MERV 13
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3 Months $32.66/yr

$48.99
6 Filters

($8.17/filter)
12x18x1 MERV13 SpiroPure O
MERV 13 Pleated Filters (12 Pack)
  • $96.99
  • 12 Filters
  • ($8.08/filter)
MERV 13
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3 Months $32.33/yr

$96.99
12 Filters

($8.08/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.