Face: The opening to which air is drawn into the fume hood. The face of the hood is parallel to the vertical sash and is the plane where face velocity measurements are taken. Air Foil: The foil is ...

The efficiency of a fume hood is measured by its hood face velocity and required air flow. Hood face velocity is a measurement of air flow speed across the imaginary plane running between the bottom ...

The need to protect personnel from potentially harmful vapors and airborne particulate matter is a fact of life for every modern laboratory. Laboratory Fume hoods are ...