... Certificat: CE/Rohs/UL Lead time :7-15days 8038 12V brushless dc fan Laptop,CPU,computer,Motor,induction cooker,water dispenser ,equipment ... free. Oil and gas pollution-free, The fan use import high-speed, thermostability ball bearings ,hundred percent guarantee non-oil ... and gas.Low vibration: after a high-precision balance design, testing, calibration, fan's vibration rate ...