Universky (Jiangsu) Technologies Co., Ltd.  

Product Name: Portable Ventilation Fan Certification: Atex Usage: for Manufacture Cooling Method: Direct Cooling Product Description 591418 - 300MM, 110/220/240V 2800R/MIN, 500W, 65M³ /MIN, 385 PA591419 - 300MM, 110/220/240V 2800R/MIN, 500W, 65M³ /MIN, 385 PAFeatures:1. Japan technology and equivalent to onishi.2. Exd II BT4, European ATEX Certificate.3. New design and best quality from China.