As a reader discovered, Groupon offers the refurbished Objecto H3 Hybrid Humidifier with Aromatherapy in four colors for $59.99. Coupon code "SALE3" drops it to $50.99. With free shipping, that's $49 under the lowest total price we could find for a new one. It features three output settings, an auto-timer, and removable water tank. Deal ends today.

Note: No warranty information is provided.