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14x18x1 Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
MERV 8 14x18x1 SpiroPure O
MERV 8 Pleated Filters (6 Pack)
  • $34.99
  • 6 Filters
  • ($5.83/filter)
MERV 8
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3 Months $23.33/yr

$34.99
6 Filters

($5.83/filter)
14x18x1 MERV8 SpiroPure O
MERV 8 Pleated Filters (12 Pack)
  • $68.99
  • 12 Filters
  • ($5.75/filter)
MERV 8
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3 Months $23.00/yr
Best Value!

$68.99
12 Filters

($5.75/filter)
MERV 11 14x18x1 SpiroPure O
MERV 11 Pleated Filters (6 Pack)
  • $36.99
  • 6 Filters
  • ($6.17/filter)
MERV 11
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3 Months $24.66/yr

$36.99
6 Filters

($6.17/filter)
14x18x1  MERV11 SpiroPure O
MERV 11 Pleated Filters (12 Pack)
  • $73.99
  • 12 Filters
  • ($6.17/filter)
MERV 11
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3 Months $24.66/yr

$73.99
12 Filters

($6.17/filter)
MERV 13 14x18x1 SpiroPure O
MERV 13 Pleated Filters (6 Pack)
  • $49.99
  • 6 Filters
  • ($8.33/filter)
MERV 13
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3 Months $33.33/yr

$49.99
6 Filters

($8.33/filter)
14x18x1 MERV13 SpiroPure O
MERV 13 Pleated Filters (12 Pack)
  • $99.99
  • 12 Filters
  • ($8.33/filter)
MERV 13
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3 Months $33.33/yr

$99.99
12 Filters

($8.33/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.