The Captair Ductless Filtration System, Model 5000NU is a self-contained work station, also known as a ductless fume hood, designed to rid the laboratory of annoying or unsafe concentrations of organic solvents, formaldehyde, acid gases, ammonia, or radioisotopes.

Because the Captair Ductless Filtration System, Model 5000NU requires no ducting so it can easily be moved from lab to lab. The unit is designed for removing gaseous and particulate contaminants.