If you are outside the United States, contact nafa@nafahq.org to get shipping costs before ordering.

The IOM Manual serves as the primary curriculum for NCT Exam preparation, offering invaluable guidance for both novice air filtration salespersons and engineers entering the industry.

The manual's comprehensive content aims to enhance understanding of air filtration principles and the diverse options available. It is designed to ensure optimal operation of air filtration systems for various applications.

While primarily targeting HVAC/R Technicians, Building Engineers, Building Maintenance Personnel, and HVAC/R and Air Filtration Sales and Business Development professionals, the guide can also be utilized by designers as a checklist for essential details required in designing effective air filtration systems.