strong exhaust ventilation fan

model standard powerfrequency(Hz)watts(w)speed(r/min)flow rate(m3/h) 8inch200 220 50 30 1400 750 10 inch 250 220 50 40 1400 850 12inch 300 220 5050 1400 1080 14 inch350 220 50 6014002280 16 inch 400 220 50 150 1400 2880 20 inch500 22050 200 1400 5200 24 inch 600 220 50 3001400 7500 Features: 1. Blade optimized structure, light weight, large air volume. 2. Motor using punching shell, low-noise rolling bearing, long life motor. 3. Rigid good, light weight, elegant, easy to install. 4. Structural components using high-quality thin steel plate by stamping. Product use: Widely used in industrial and mining enterprises of warehouses, workshops, restaurants, entertainment and residential ventilation, heating or summer cooling purposes to improve the environment.