Two stage air filter

• Main Authors: Brownell, Kyle A, Mathews, Scott W, Breitenfeldt, Alan Lorenz, Neitzel, Emery W
• Format: Patent
• Language: English
• Published: 07.02.2006

A two stage air purification system is provided for the removal of airborne impurities from an airflow prior to the airflow entering a building's ductwork. In particular, a primary air filter is mounted within the hood of, for example, a cooking area and operable to receive grease-laden air and...