18x24x1 Air Filters

Sort by:
Products   MERV Rating Filter Life Annual Cost Value Pack
MERV 8 18x24x1 SpiroPure O
MERV 8 Pleated Filters (6 Pack)
  • $34.99
  • 6 Filters
  • ($5.83/filter)
MERV 8
Learn more
3 Months $23.33/yr

$34.99
6 Filters

($5.83/filter)
18x24x1 MERV8 SpiroPure O
MERV 8 Pleated Filters (12 Pack)
  • $68.99
  • 12 Filters
  • ($5.75/filter)
MERV 8
Learn more
3 Months $23.00/yr
Best Value!

$68.99
12 Filters

($5.75/filter)
MERV 11 18x24x1 SpiroPure O
MERV 11 Pleated Filters (6 Pack)
  • $38.99
  • 6 Filters
  • ($6.50/filter)
MERV 11
Learn more
3 Months $25.99/yr

$38.99
6 Filters

($6.50/filter)
18x24x1 MERV11 SpiroPure O
MERV 11 Pleated Filters (12 Pack)
  • $76.99
  • 12 Filters
  • ($6.42/filter)
MERV 11
Learn more
3 Months $25.66/yr

$76.99
12 Filters

($6.42/filter)
MERV 13 18x24x1 SpiroPure O
MERV 13 Pleated Filters (6 Pack)
  • $45.99
  • 6 Filters
  • ($7.67/filter)
MERV 13
Learn more
3 Months $30.66/yr

$45.99
6 Filters

($7.67/filter)
18x24x1 MERV13 SpiroPure O
MERV 13 Pleated Filters (12 Pack)
  • $90.99
  • 12 Filters
  • ($7.58/filter)
MERV 13
Learn more
3 Months $30.33/yr

$90.99
12 Filters

($7.58/filter)
18x24x1 Odor Eliminator SpiroPure F
MERV 8 Odor Eliminator Filters (6 Pack)
  • $63.99
  • 6 Filters
  • ($10.67/filter)
MERV 8
Learn more
3 Months Learn more
about odor eliminator filters
$42.66/yr

$63.99
6 Filters

($10.67/filter)
18x24x1 OdorBan SpiroPure F
MERV 8 Odor Eliminator Filters (12 Pack)
  • $115.99
  • 12 Filters
  • ($9.67/filter)
MERV 8
Learn more
3 Months Learn more
about odor eliminator filters
$38.66/yr

$115.99
12 Filters

($9.67/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.