26x30x1 Geothermal Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
26X30X1 MERV8 SpiroPure O
MERV 8 Geothermal Filters (6 Pack)
  • $89.99
  • 6 Filters
  • ($15.00/filter)
MERV 8
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3 Months $59.99/yr
Best Value!

$89.99
6 Filters

($15.00/filter)
26X30X1 MERV11 SpiroPure O
MERV 11 Geothermal Filters (6 Pack)
  • $102.99
  • 6 Filters
  • ($17.17/filter)
MERV 11
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3 Months $68.66/yr

$102.99
6 Filters

($17.17/filter)
26X30X1 MERV13 SpiroPure O
MERV 13 Geothermal Filters (6 Pack)
  • $117.99
  • 6 Filters
  • ($19.67/filter)
MERV 13
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3 Months $78.66/yr

$117.99
6 Filters

($19.67/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.