18x25x4 MERV 8 Pleated Air Filter

Actual Size: 17.5x24.5x3.75"

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New look, same great filter

We’re updating the “look” of our filters.
While we do, your air filter will be the correct size & performance, but may look different than the image above. Learn more

Merv 8

Standard

Merv 11

Superior

Merv 13

Optimal

$135.96

$259.38

in stock

Ships in 24 hours

Quantity Discount

1 for$43.23 ea2 for$27.00 eaSave 38%3 for$25.59 eaSave 41%4 for$24.88 eaSave 42%5 for$23.76 eaSave 45%6-11 for$22.66 eaSave 48%12+ for$21.45 eaSave 50%

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STANDARD AIR FILTRATIONRESIDENTIAL AND/OR COMMERCIAL USEChange Every 3 Months

ABOUT

This is a list 18x25x4 MERV 8 air filter replacement for your furnace, air conditioner, heat pump, or HVAC system
Actual air filter size: 17.5x24.5x3.75"
MERV 8 synthetic media (comparable with MPR 600 & FPR 5) offers standard protection from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow.
High-quality construction means electrostatically charged pleated filter media, reinforced wire backing for structural integrity, and a durable frame to resist heat and humidity
Built to last 3 months. 300% longer than fiberglass models
100% manufactured in the United States and designed with recyclable materials
Learn more about 18x25x4 Air Filters