17x21x1 Air Filters

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Products   MERV Rating Filter Life Annual Cost Value Pack
MERV8 17x21x1 SpiroPure O
MERV 8 Pleated Filters (6 Pack)
    5 stars
  • $99.51
  • 6 Filters
  • ($16.59 / filters)
MERV 8
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3 Months $66.34
Best Value!

$99.51
6 Filters

($16.59 / filter)
MERV11 17x21x1 SpiroPure O
MERV 11 Pleated Filters (6 Pack)
  • $101.17
  • 6 Filters
  • ($16.86 / filters)
MERV 11
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3 Months $67.45

$101.17
6 Filters

($16.86 / filter)
MERV13 17x21x1 SpiroPure O
MERV 13 Pleated Filters (6 Pack)
  • $137.43
  • 6 Filters
  • ($22.91 / filters)
MERV 13
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3 Months $91.62

$137.43
6 Filters

($22.91 / filter)
Odorban 17x21x1 SpiroPure F
MERV 10 Odor Eliminator Filters (6 Pack)
  • $122.40
  • 6 Filters
  • ($20.40 / filters)
MERV 10
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3 Months Learn more
about odor eliminator filters
$81.60

$122.40
6 Filters

($20.40 / 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.