B88. According to the inquiry of JD.COM Mall, the B88 range hood of Oston range hood adopts double-ball motor, and the warranty of Oston manufacturer on this aspect of motor is to trade in the old for the new for life, and the double-ball motor has good suction. Can quickly remove oil stains, grease, dirt and other pollutants, quickly evaporate, leaving no residue. Therefore, the model of Guangdong Oston range hood B88 is good.