140120 DC 24V/48V Brushless High Pressure Large Air Volume Vacuum Cleaner, Seeder Mechanical Equipment Centrifugal Blower ,Energy-Efficient

1> NMB ball bearing guarantee long life 2> Compact size but output high pressure and airflow 3> Very suitable for compact system or tools 4> Can choose external driver controller 5> External driver controller can change speed by PWM or 0~5V signal