Local pickup address is 4900-101 Thornton Road Raleigh, NC 27616. Please call 919-785-9881 with any questions!

Clean Air Starts Here

Providing high-quality filters for a healthier environment

Explore our wide selection of premium air filtration products for home and commercial use

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Featured products

  • 1" MERV 13 Pleated Air Filters for Allergy Relief 12-pack
    1 inch MERV 13 white Pleated Air Filters for HVAC allergy home
    Vendor
    Airflow Products
    Regular price
    from $68.52
    Sale price
    from $68.52
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  • Watchdog NXT85C Crawlspace Dehumidifier by Seaira Global
    Vendor
    Seaira Global
    Regular price
    $1,300.00
    Sale price
    $1,300.00
    Regular price
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    per 
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  • HealthMate HEPA Air Purifier by Austin Air
    Vendor
    Austin Air
    Regular price
    $714.99
    Sale price
    $714.99
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    per 
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  • Replacement Filter Kit for Black Hole Toner Cleaning Station by Plastic Tooling
    Replacement Filter Kit for Black Hole Toner Cleaning Station
    Vendor
    Capital Air Filters
    Regular price
    from $87.22
    Sale price
    from $87.22
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quality air filtration solutions

Enjoy cleaner air at your home or office with a HEPA air purifier

The Austin Air HealthMate series removes a wide range of airborne particles, chemicals, gases and odors and will significantly improve the quality of air in your home. Austin Air’s 360-degree intake system draws air into all sides of the purifier, passing it through a 4-stage filter. Breathe easy!

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Quality Air Filter Replacements For All Applications

Selecting the right air filter for your home, office, hospital, pharmaceutical or manufacturing facility will play a key role in improving the air quality in your space.

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Not sure what filter to use?

Whether you are trying to reduce dust and dander in your home, remove the smell of smoke, or filter out harmful airborne particles, Capital Air Filters can provide you with a suitable filter. Give us a call and take the next step towards improving your indoor air quality!

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How we can help

Not finding your size?

If we don't have your size furnace filter in our extensive inventory, we'll make it for you!

Have a question?

Feel free to give us a call or email, our NAFA Certified Air Filtration Specialists (CAFS) and NAFA Certified Technicians (NCT, LEVEL II) are happy to talk to you!

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Large order?

We can provide local palletized truck delivery, arrange LTL shipping services, or ship collect with your preferred carrier.

A FAMILY OWNED AND OPERATED COMPANY

We’re a second-generation family-operated business distributing HVAC Air Filters & Filtration Products across the United States.

See What Our Customers Are Saying

This is the only place I buy filters from. The staff is friendly and the prices are the best around.

Seth E.

We ordered a year's worth of quality MERV 10 filters for our home for a fraction of the price offered by competitors. Do the math, including the shipping cost, and you'll see that filtersonline.com's bulk pricing is the best choice...

Michael K.

The order was exactly accurate, and the selection of products was impressively large. Great to do business with you!

Elizabeth H.

Best filters at the best price. Even with shipping they are still cheaper than anyone else.

Ryan M.

Great Price. Fast Shipping. Highly recommended.

Wilson R.

Manufacturers We Represent