What is a Fume Hood?   What is a Fume Hood? Part Number Configurations Types and Selections Air Sentry High Performance Fume Hood About Air Sentry Restricted Bypass Open Bypass Auxiliary Air Fume Hoods (replaced by Air Sentry) Perchloric Acid Fume Hoods Isotope Fume Hoods ADA Compliant Hoods Canopy Hoods