Type in any of the two values to calculate the third:
Width (inch): Height (inch):
Air Space (square inches) forChevron Louver OR High Air-Flow Louver
Note: Louver Inserts are 1" Thick. CFM airflow is the rate at which a certain volume of air moves in a certain period of time. CFM stands for cubic feet per minute, and is commonly used to describe the capabilities of heating, ventilation and air conditioning systems.