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18x25x1 Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
MERV 8 18x25x1 SpiroPure O
MERV 8 Pleated Filters (6 Pack)
  • $39.99
  • 6 Filters
  • ($6.67/filter)
MERV 8
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3 Months $26.66/yr

$39.99
6 Filters

($6.67/filter)
18x25x1 MERV8 SpiroPure O
MERV 8 Pleated Filters (12 Pack)
  • $78.99
  • 12 Filters
  • ($6.58/filter)
MERV 8
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3 Months $26.33/yr
Best Value!

$78.99
12 Filters

($6.58/filter)
MERV 11 18x25x1 SpiroPure O
MERV 11 Pleated Filters (6 Pack)
  • $41.99
  • 6 Filters
  • ($7.00/filter)
MERV 11
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3 Months $27.99/yr

$41.99
6 Filters

($7.00/filter)
18x25x1 MERV11 SpiroPure O
MERV 11 Pleated Filters (12 Pack)
  • $82.99
  • 12 Filters
  • ($6.92/filter)
MERV 11
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3 Months $27.66/yr

$82.99
12 Filters

($6.92/filter)
MERV 13 18x25x1 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)
18x25x1 MERV13 SpiroPure O
MERV 13 Pleated Filters (12 Pack)
  • $98.99
  • 12 Filters
  • ($8.25/filter)
MERV 13
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3 Months $33.00/yr

$98.99
12 Filters

($8.25/filter)
18x25x1 Odor Eliminator SpiroPure F
MERV 8 Odor Eliminator Filters (6 Pack)
  • $70.99
  • 6 Filters
  • ($11.83/filter)
MERV 8
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3 Months Learn more
about odor eliminator filters
$47.33/yr

$70.99
6 Filters

($11.83/filter)
18x25x1 OdorBan SpiroPure F
MERV 8 Odor Eliminator Filters (12 Pack)
  • $129.99
  • 12 Filters
  • ($10.83/filter)
MERV 8
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3 Months Learn more
about odor eliminator filters
$43.33/yr

$129.99
12 Filters

($10.83/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.