Amazon | MAA-KU EC Exhaust Fan for Extra Small Kitchen, FAN SIZE : 4.75"inches (12x12x3.8cm) square, Material : Thermoplastic, Color : Black, COMPATIBLE : For the room area of Length-5feet X Width-3feet X Height-7feet.

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This types of fans are mostly used in small size of areas. What is EC technology? EC stands for Electronically Commutated and it combines AC and DC voltages, bringing the best of both technologies : the motor runs on a DC voltage, but with a normal AC supply. DC motors already have low power consumption but if used in an AC application, the power needed converting AC to DC, using a bulky, inefficient transformer. The EC motor incorporates voltage transformation within the motor. The non-rotating part of the motor (stator) is extended to make room for an electronic PCB board which includes powe