●Super quiet sound level.

全金屬防銹的處理，適應(yīng)各種環(huán)境

●2 duct sizes available with 200 and 250mm ducted applications.

有200及250毫米接管的尺寸

●safty overload protection.

卓越的低噪音表現(xiàn)

●IPX2 or IPX4; two speeds optional.

過熱保護(hù)的電機(jī)設(shè)計(jì)

● two speeds optional.

可提供高低兩個(gè)轉(zhuǎn)速選擇.