30x30x1 Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
MERV8 30x30x1 SpiroPure O
MERV 8 Geothermal Filters (6 Pack)
    5 stars
  • $96.81
  • 6 Filters
  • ($16.14 / filters)
MERV 8
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3 Months $64.54
Best Value!

$96.81
6 Filters

($16.14 / filter)
MERV11 30x30x1 SpiroPure O
MERV 11 Geothermal Filters (6 Pack)
    5 stars
  • $108.14
  • 6 Filters
  • ($18.02 / filters)
MERV 11
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3 Months $72.09

$108.14
6 Filters

($18.02 / filter)
MERV13 30x30x1 SpiroPure O
MERV 13 Geothermal Filters (6 Pack)
  • $116.38
  • 6 Filters
  • ($19.40 / filters)
MERV 13
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3 Months $77.59

$116.38
6 Filters

($19.40 / 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.