正压风扇 meaning in English

positive pressure fan

Industrial positive pressure fan ; noise - free , dust - proof and circulation cooling
工控正压风扇,无噪音,防尘,循环散热。
Fan : industrial positive pressure fan ; noise - free , dust - proof and circulation cooling
风扇:工控正压风扇,无噪音,防尘,循环散热。
The built - in positive pressure fan and filter screen may shield the casing from dust
内有正压风扇加滤网，可避免尘土入侵机箱内部。