Amazon has the Levoit 4.5L Ultrasonic Cool Mist Humidifier for $30.59. Take an additional $3.60 off when you apply promo code PMBKL67K at checkout bringing your total down to only $26.99. Plus, now until January 31, 2019, enjoy Free Shipping at Amazon with no minimum purchase amount.
The premium humidifier with 1.1 Gallon/4.5L large water tank can support up to 40 hours of continuous use in low mist setting
WHISPER-QUIET: With advanced whisper quiet ultrasonic cool mist technology, our filter-less vaporizer produces very low noise. It is so quiet that you even can hardly hear it is on. Great for sleeping babies.
