Bathroom ventilation fans price parameter picture looking through Texas Asia, we specialize in producing SF5277 FRP fan for many years, the quality is guaranteed. Welcome to inquire! ST FRP ventilation suitable for hotel bathroom, hospitals, laboratories, kitchen exhaust, a fashionable, low noise, water erosion, etc., together with unidirectional fan, back when the airflow can be automatically shut down. Model and technical parameters Model Blade diameter exhaust mode (fan) Voltage (V) minimum air volume (m 3 / min) minimum speed (rev / min) Maximum input power (watts) ST-8-1 ST-9- a top side exhaust ventilation 150 (6 ") 200-240 3.5 1300 25 ST-8-2 ST-9-2 exhaust side exhaust top 200 (8") 200-240 8 1250 28 / ST-8- 3 ST-9-3 exhaust side exhaust top 250 (10 ") 200-240 13 1200 37 ST-8-4 ST-9-4 exhaust side exhaust top 300 (12") 200-2402190060