... Marine ventilation fan Flow rate: 500 - 21000 m3/h Pressure: 195 - 2255 Pa Certification: CCS, ABS, .. CLQ Series ... supply the full range of marine ventilators, and our main products are axial ventilators, centrifugal ventilators, explosion-proof ventilators ... 90% products are exported to many overseas countries, such as Southeast Asia, Middle East, North America, South America, Western Europe, ...