LZ black ceiling decoration fan 20*20

Ceiling exhaust fan decor/simple design with hidden perimeter air vents and excellent suction space... to provide optimal ventilation performance while maintaining the aesthetic of the space. (5-year warranty) Color: Black SIZE - size: 20 cm - 8 inches AIR FLOW - air flow (cubic meters per minute): 130 m /h POWER - energy consumption (watts): 30 watts RPM - rotation speed: 1250 r/min NOISE - noise level: 39 (dB) SIZE OF HOLE - hole size: 197 mm CFM - air flow rate: 77 CFM