Use Newegg coupon code EMCJNHD242
For its newsletter subscribers only, Newegg has this Rosewill 5-Liter UltraSonic Cool Mist Humidifier for $39.99. Use the coupon code and the price drops to $19.99. It features a 5-liter (1.32 gallons) water tank, digital display, microcomputer control with LED screen, 16-hour run time, and filter. Shipping is free.