... airflow, water supply form tap water water mist fan stand type:² Fan diameter: P/N: 20ST 500mm(20inches), P/ ... N: 26ST650mm (26 inches), P/N: 30ST 750mm(30inches)² Fan ... tap water, 2) Connect to water tank. Wall type::² Fan diameter: P/N: 20WL 500mm(20inches), P/N ... 110V and² 190V-250V for 220V² Water supply type(Two selection) :1) Connect to tap water, ...