National Air Filters has been serving clients for over 20 years. We are proud to be an air filter manufacturing, sales, and service company, offering a complete line of HVAC filters. Our expansive Raleigh warehouse, located at 1109 New Hope Road in Raleigh, North Carolina has over 20,000 square feet of manufacturing and warehouse space. Give us a call or stop by our warehouse to learn more about the products and services we offer. Our knowledgeable staff would be happy to assist you with your air filtration needs.