Purchased it new for $107. Features: Easy Refill: Top fill humidifier with a wide opening and detachable tank with built-in handle for spill-free refilling Warm Mist for Cold Winters: 3 temperature levels for winter use; mist temperatures can reach 60°C / 140°F Large Capacity: With a capacity of 5. 5L the humidifier works up to 45 hours with one fill (room size 20-50 m² / 200-450 ft²) Personalize Your Settings: Adjust mist output, mist temperature, humidity, timer, and activate sleep mode Safe and Quiet at Night: All sounds and lights are deactivated in sleep mode Note: Warm mist mode is disabled in sleep mode for safety and sound reasons. Cough & Congestion Relief: TaoTronics humidifiers provide temporary relief from coughing & congestion due to colds or allergies. Help you breathe easier wherever you are, from the bedroom to office