18x30x1 Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
MERV 8 18x30x1 SpiroPure O
MERV 8 Pleated Filters (6 Pack)
  • $50.99
  • 6 Filters
  • ($8.50 / filters)
MERV 8
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3 Months $33.99
Best Value!

$50.99
6 Filters

($8.50 / filter)
18x30x1 MERV8 SpiroPure O
MERV 8 Pleated Filters (12 Pack)
  • $101.98
  • 12 Filters
  • ($8.50 / filters)
MERV 8
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3 Months $33.99
Best Value!

$101.98
12 Filters

($8.50 / filter)
MERV 11 18x30x1 SpiroPure O
MERV 11 Pleated Filters (6 Pack)
    5 stars
  • $55.99
  • 6 Filters
  • ($9.33 / filters)
MERV 11
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3 Months $37.33

$55.99
6 Filters

($9.33 / filter)
18x30x1 MERV11 SpiroPure O
MERV 11 Pleated Filters (12 Pack)
    5 stars
  • $111.98
  • 12 Filters
  • ($9.33 / filters)
MERV 11
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3 Months $37.33

$111.98
12 Filters

($9.33 / filter)
MERV 13 18x30x1 SpiroPure O
MERV 13 Pleated Filters (6 Pack)
    5 stars
  • $70.99
  • 6 Filters
  • ($11.83 / filters)
MERV 13
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3 Months $47.33

$70.99
6 Filters

($11.83 / filter)
18x30x1 MERV13 SpiroPure O
MERV 13 Pleated Filters (12 Pack)
    5 stars
  • $141.98
  • 12 Filters
  • ($11.83 / filters)
MERV 13
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3 Months $47.33

$141.98
12 Filters

($11.83 / 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.