The F 458 is a compactly constructed collector motor, which has a very robust housing with double jacket made of aluminum, and is thus very quiet. The motor is completely closed, has a special acid-protective coating and is therefore suitable for extreme operating conditions in areas with aggressive vapors.
The F 458 EL engine also has an easy-to-use electronic speed setting to regulate the flow rate. The engine F 458-1 is identical to the model F 458, but has a much higher output at 700 watts. This motor is used when higher flow rates are required or when slightly viscous liquids or media with increased density are to be conveyed.