Sears offers the Kenmore 1.2-Gallon Humidifier, model no. 15408, for $119.99. Coupon code "10OFF75" cuts it to $109.99. With free shipping, that's a savings of $25 off list price. It features refill indicators, an anti-microbial filter, four smooth-rolling coasters, and digital display.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.
Update: Specs corrected.