●Integral mounting flanges with frist-fit keyhole slots;six duct sizes available

科学的风轮设计，风量风压更优秀

●Rated two pole external rotor motor with lubricated bearing

优质轴承，电机运转更平稳

●IP44 protection

IP44防水等级

●swing out door for periodic inspection and service access

检修口的设计便于安装及维修

●Silencing Cotton decrease the noise

超薄设计，安装空间更灵活