Sears offers the Kenmore 1.1-Gallon Cool Mist Ultrasonic Humidifier
, model no. CZHD81SR, for $24.99
. Plus, Shop Your Way Max members bag free shipping
. (Not a member? It's free to sign up for a 90-day trial
; otherwise, shipping adds $7.75. In-store pickup is also available.) That's $25 off list and the lowest total price we could find. It features a digital LCD and humidifies up to 500 square feet.