Ideal-Air Ultra Sonic Humidifier is designed with ultra-sonic transducers to supply ultra-fine water particles. This is to help form a more balanced humidity field over your plant's entire canopy. The Ideal-Air Ultra Sonic Humidifier plates are made from cold-rolled steel and a stainless steel box with a standard water inlet with overflow safety switch, reservoir drain outlet, sediment filter, LED display & humidity control (30% - 90%). This unit is designed to produce up to 150 pints per day of ultra-fine mist. 115V, 60Hz & 2.6 amps.