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Capital Air Filters
Home
COVID-19
SHOP
RESIDENTIAL
COMMERCIAL
About Us
Terms of Use
FAQ
Blog
More
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Looking for air filters?

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Residential

With our wide inventory, custom sizes, fast shipping, and quality American-made air filters, we are here to make it easy for you to achieve your healthy living goals. Whether you are facing smoke, allergies, chemical sensitivities, or just plain old dust, we've got your furnace filters!


And you can buy filters at much lower prices than at big box stores, too!

FIND MY FILTER!

Reviews

MERV Ratings

Helpful Videos

MERV Ratings

MERV ratings particular airborne contaminants, MERV 8, MERV 11, MERV 13, Carbon pleated air filters

How to

Helpful Videos

MERV Ratings

Homeowner installing a new pleated furnace filter in a ceiling HVAC air return

Helpful Videos

Helpful Videos

Why Filters Matter

Helpful air filtration video- YouTube play video icon on red background

Why Filters Matter

Indoor Air Quality and Health

Why Filters Matter

commercial rooftop HVAC units- Why filters matter

Indoor Air Quality and Health

Indoor Air Quality and Health

Indoor Air Quality and Health

Indoor air quality and health- teal and purple glittery galactic dust cloud

FAQs

Indoor Air Quality and Health

Indoor Air Quality and Health

FAQ Frequently Asked air filtration Questions painted on weathered boards

When was the last time you changed your filter?

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