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30x32x1 Geothermal Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
30X32X1 MERV8 SpiroPure O
MERV 8 Geothermal Filters (6 Pack)
  • $112.99
  • 6 Filters
  • ($18.83/filter)
MERV 8
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3 Months $75.33/yr

$112.99
6 Filters

($18.83/filter)
30X32X1 MERV11 SpiroPure O
MERV 11 Geothermal Filters (6 Pack)
  • $110.99
  • 6 Filters
  • ($18.50/filter)
MERV 11
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3 Months $73.99/yr
Best Value!

$110.99
6 Filters

($18.50/filter)
30X32X1 MERV13 SpiroPure O
MERV 13 Geothermal Filters (6 Pack)
  • $138.99
  • 6 Filters
  • ($23.17/filter)
MERV 13
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3 Months $92.66/yr

$138.99
6 Filters

($23.17/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.