ventilator, forma patrata, 140x140x25 mm (1500 RPM, 133,7 m³/h, 25,8 dB(A)), rulment SSO-Bearing, sistem unic pentru PWM de tip NE-FD1 PWM IC care integreaza technologia Smooth Commutation Drive (SCD), ultrasilentios, design special al palelor pentru eficienta sporita in carcase. ventilator, forma patrata, 140x140x25 mm (1500 RPM, 133,7 m³/h, 25,8 dB(A)), rulment SSO-Bearing, sistem unic pentru PWM de tip NE-FD1 PWM IC care integreaza technologia Smooth Commutation Drive (SCD), ultrasilentios, design special al palelor pentru eficienta sporita in carcase