27x30x2 Geothermal Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
27x30x2 MERV8 SpiroPure O
MERV 8 Geothermal Filters (6 Pack)
  • $161.70
  • 6 Filters
  • ($26.95 / filters)
MERV 8
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3 Months $107.80
Best Value!

$161.70
6 Filters

($26.95 / filter)
24x30x2 MERV11 SpiroPure O
MERV 11 Geothermal Filters (6 Pack)
  • $181.27
  • 6 Filters
  • ($30.21 / filters)
MERV 11
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3 Months $120.85

$181.27
6 Filters

($30.21 / filter)
24x30x2 MERV13 SpiroPure O
MERV 13 Geothermal Filters (6 Pack)
  • $195.69
  • 6 Filters
  • ($32.62 / filters)
MERV 13
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3 Months $130.46

$195.69
6 Filters

($32.62 / 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.