27x30x2 Geothermal Air Filters

Sort by:
Products   MERV Rating Filter Life Annual Cost Value Pack
27x30x2 MERV8 SpiroPure O
MERV 8 Geothermal Filters (6 Pack)
  • $156.99
  • 6 Filters
  • ($26.17 / filters)
MERV 8
Learn more
3 Months $104.66
Best Value!

$156.99
6 Filters

($26.17 / filter)
24x30x2 MERV11 SpiroPure O
MERV 11 Geothermal Filters (6 Pack)
  • $175.99
  • 6 Filters
  • ($29.33 / filters)
MERV 11
Learn more
3 Months $117.33

$175.99
6 Filters

($29.33 / filter)
24x30x2 MERV13 SpiroPure O
MERV 13 Geothermal Filters (6 Pack)
  • $189.99
  • 6 Filters
  • ($31.67 / filters)
MERV 13
Learn more
3 Months $126.66

$189.99
6 Filters

($31.67 / 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.