For its newsletter subscribers only, newegg offers the Rosewill 5-Liter UltraSonic Cool Mist Humidifier
, model no. RHHD-11001, for $39.99. Coupon code "EMCJNHD242" drops it to $19.99
. With free shipping
, that's tied with our August mention and the lowest total price we could find by $30. It features a 5-liter (1.32 gallons) water tank, digital display, microcomputer control with LED screen, 16-hour run time, filter, and more. Deal ends November 1.