Swamp cooler Product name:evaporative air cooler Feature:airflow from bottom, 1-speed, made of metal. Airflow:30000m3/h Air pressure:300pa Power supply:380v/50hz Power consumption:3.0kw Exterior size:1300x1260x1460mm Wind exit size:760x760mm Fan type:axial Noise: 80 db(a) Effective area:200-250¼o Exterior size:1300x1260x1460mm Wind exit size:760x760mm