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)
  • $91.99
  • 6 Filters
  • ($15.33/filter)
MERV 8
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3 Months $61.33/yr
Best Value!

$91.99
6 Filters

($15.33/filter)
26X30X1 MERV11 SpiroPure O
MERV 11 Geothermal Filters (6 Pack)
  • $105.99
  • 6 Filters
  • ($17.67/filter)
MERV 11
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3 Months $70.66/yr

$105.99
6 Filters

($17.67/filter)
26X30X1 MERV13 SpiroPure O
MERV 13 Geothermal Filters (6 Pack)
  • $118.99
  • 6 Filters
  • ($19.83/filter)
MERV 13
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3 Months $79.33/yr

$118.99
6 Filters

($19.83/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.