Optimus 1.5 Gal. Cool Mist Ultrasonic Humidifier

The Optimus Cool Mist Ultrasonic Humidifier is the ideal for ensuring your living area stays comfortable. The 1.11 Gal. Tank Capacity operates up to 18-hours and shuts off when the tank is empty. The adjustable mist control allows you to set an ideal moisture level and its whisper quiet operation ensures your sleep won't be disturbed.