The BPS-B centrifugal fan series is perfect for use in industrial environments, for cooling applications. They are suitable for many special ventilation applications where the extraction of a corrosive atmosphere is subjected. It's powered with high performance Bahcivan external rotor motor and forward curved impeller. Housing is made from plastic, IP 44 protection, Class B Insulation (-15 C to +40 C working temperatures), sealed for life, ball bearing assemblies.