As Seen on TV via eBay offers the Disney's Star Wars R2-D2 Ultrasonic Cool Mist Humidifier for $24.99. Coupon code "PHLDAYTEN" cuts it to $22.49. With free shipping, that's $3 under our mention from four days ago and the lowest price we could find by $22 today. It has a 1-gallon capacity and lasts up to 24 hours. Deal ends December 8 at 6am ET.