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)
    5 stars
  • $178.87
  • 6 Filters
  • ($29.81 / filters)
MERV 8
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3 Months $119.25
Best Value!

$178.87
6 Filters

($29.81 / filter)
30X32X1 MERV11 SpiroPure O
MERV 11 Geothermal Filters (6 Pack)
  • $192.02
  • 6 Filters
  • ($32.00 / filters)
MERV 11
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3 Months $128.01

$192.02
6 Filters

($32.00 / filter)
30X32X1 MERV13 SpiroPure O
MERV 13 Geothermal Filters (6 Pack)
  • $223.37
  • 6 Filters
  • ($37.23 / filters)
MERV 13
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3 Months $148.91

$223.37
6 Filters

($37.23 / 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.