... . 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 oscillation adjustable: 90 ... to water tank.Wall type::² Fan diameter: P/N: 20WL 500mm(20inches), P/N: 26 WL650mm (26 inches), P/N: 30 WL 750mm(30inches)² Fan oscillation ...