ChemFAST belong to the latest generation of ductless fume cupboards using the most innovative molecular filtration technology manufactured by Faster, in which the choice of materials of construction of the highest quality guarantees a safe working environment together with fume containment for protection from chemicals, vapors and aerosol in the laboratories. ChemFAST Top are equipped with a manual device for adjusting the air velocity to obtain the appropriate air velocity for each specific contaminant used. Monitoring data: power on/off Light on/off Variable speed air regulation Hour-counter Stand-by green light