品牌 翔博 型号 hb-rd 材质 塑料风机 材质：塑料 中央空调通风口，适用于室内空气流通，清理方便。 1.not suitable for high humidity applicatio. 2.variable air flow control. 3.high valve body improving air flow,reducing noise,with intergraded spring fastene. 4.simple removal for cleaning. material specification(mm) overall size(mm) plastic(pp or abs) d80 d130 plastic(pp or abs) d100 d150 plastic(pp or abs) d125 d175 plastic(pp or abs) d150 d200 plastic(pp or abs) d200 d250