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30x30x2 Geothermal Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
30x30x2 MERV8 SpiroPure F
MERV 8 Geothermal Filters (6 Pack)
  • $113.99
  • 6 Filters
  • ($19.00/filter)
MERV 8
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3 Months $75.99/yr
Best Value!

$113.99
6 Filters

($19.00/filter)
30x30x2 MERV11 SpiroPure F
MERV 11 Geothermal Filters (6 Pack)
  • $149.99
  • 6 Filters
  • ($25.00/filter)
MERV 11
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3 Months $99.99/yr

$149.99
6 Filters

($25.00/filter)
30x30x2 MERV13 SpiroPure F
MERV 13 Geothermal Filters (6 Pack)
  • $120.99
  • 6 Filters
  • ($20.17/filter)
MERV 13
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3 Months $80.66/yr

$120.99
6 Filters

($20.17/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.