... large space(20L tank) Function as fan, humidifier, air purifier specification of evaporative air cooler fan:1. It cycles the water to blow ... meters remote control, 120 angle wide range receiver ,wide range of air output, three optional fan grade :low-middle-high.3 the ... Ionier releases a large number of negative ions to freshen the air and care health.5. Removable type of filtration mesh , specially ...