Two-speed motor, equipped with thermal overload protection at the same time, all
motor adopts electronic or automatic regulating speed control
Installed motors and mixed flow blade, a reasonable assembly, under the condition
of low noise with high air volume
Blade adopts strong ABS plastic, type 250 and 315 type using galvanized steel
Specially designed for ventilation pipe
Size from 100 mm to 315 mm, the air volume from 130m/h to 2000 m/h, maximum
operating temperature of 40 °C

Model:FF-250
Voltage: 220V
static pressure:290pa
rotational speed:2800/min
air quantity:2300m3/h
power:300W
frequency:50-60Hz
noise:60db
Exhaust air caliber:250mm