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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)
  • $35.99
  • 6 Filters
  • ($6.00/filter)
MERV 8
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3 Months $23.99/yr

$35.99
6 Filters

($6.00/filter)
12x18x1 MERV8 SpiroPure O
MERV 8 Pleated Filters (12 Pack)
  • $70.99
  • 12 Filters
  • ($5.92/filter)
MERV 8
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3 Months $23.66/yr

$70.99
12 Filters

($5.92/filter)
MERV 11 12x18x1 SpiroPure O
MERV 11 Pleated Filters (6 Pack)
  • $32.99
  • 6 Filters
  • ($5.50/filter)
MERV 11
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3 Months $21.99/yr
Best Value!

$32.99
6 Filters

($5.50/filter)
12x18x1 MERV11 SpiroPure O
MERV 11 Pleated Filters (12 Pack)
  • $65.99
  • 12 Filters
  • ($5.50/filter)
MERV 11
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3 Months $22.00/yr

$65.99
12 Filters

($5.50/filter)
MERV 13 12x18x1 SpiroPure O
MERV 13 Pleated Filters (6 Pack)
  • $39.99
  • 6 Filters
  • ($6.67/filter)
MERV 13
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3 Months $26.66/yr

$39.99
6 Filters

($6.67/filter)
12x18x1 MERV13 SpiroPure O
MERV 13 Pleated Filters (12 Pack)
  • $79.99
  • 12 Filters
  • ($6.67/filter)
MERV 13
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3 Months $26.66/yr

$79.99
12 Filters

($6.67/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.