If you are looking for a chimney that makes the filter cleaning process convenient, then the Glen 6071 Auto Clean chimney is the best choice. It is a filterless chimney and has an external oil collector tray to collect the oil & grease particles. The 160W powerful motor ensures that you get a powerful suction with low noise. The motor comes with a 7-year warranty. The touch controls with motion sensors are easy to operate. The strong 1200 m3/h suction throws the smoke from the pans outdoors and ensures that your kitchen is odor-free and the walls are clean of any grime. It has an eco-friendly power-saving LED lamp to brighten up the cooking area. About BLDC Motor & Advantages: Brushless DC Motor is made without the brushes with the result it has a longer life, it produces low heat, and it creates lower noise. Thus its very energy efficient as uses only as much power as required to perform the function. Features of BLDC Motor: - INVERTER Technology: Adjusts the RPM of the motor as per the requirement of airflow saving energy. - Saves Power: Starting at a very low consumption of just 20W at Speed 1 saves power over 50% for the similar suction for AC motor. - Low Noise: As the motor works quietly and gives better suction is comparatively more silent.