It efficiently filters out grease and other solid particles. Also, it, being easily detached, is recommended to clean it periodically to sustain its optimal efficiency.
The LED light with 1.5W small power, can save the energy and also ensure a decent visibility at your stove-top.
The energy label informs you at a glance about the efficiency and capacity of cooker hood. Combine the best values for fan, grease filter and lighting efficiency. Easy-clean is how I feel.