15Litre/H Industrial Ultrasonic Humidifier for Workshop Drop Dust Model: DYJ-1018 Ultrasonic frequency: 1.7MHz Ultrasonic power: 1800W Power supply voltage: AC220V 10% 50Hz(Voltage can be customized according to requirements) Product size (mm):600 x 600 x 600 Humidification amount: 18L/hour Application area: 180-200 square meters 2.5 meters tall Automatic wet control: can be achieved unattended, can set the humidity you need (99% ~ 10%) Automatic feed water Shell material: stainless steel paint Working temperature: 10