Ebay offers Open-Box Levoit Classic 300 6L Ultrasonic Smart Humidifier for $19.49 (reg $80) after code with free shipping.

Apply Code: HOMECLIMATE50

Product Description:
Refresh your air with convenient smart features, aromatherapy, and ultrasonic technology, all packed into 1 sleek humidifier. The Classic 300S provides widespread humidity and soothing aromas for as long as 60 hours. Connect your humidifier to the free VeSync app to enjoy full control of your humidifier from your phone.

• Dimensions (Overall): 13.4 Inches (H) x 9.6 Inches (W) x 7.5 Inches (D)
• Weight: 4.3 Pounds
• Misting Type: Cool Mist
• Capacity (Volume): 202 Ounces
• Moisture Output: 7.2 Liter
• Number of Settings: 3
• Filter Type: No Filter Needed
• Industry or Government Certifications: ETL Listed
• Room Size Range: 300-500 sq. ft.
• Run Time per Fill: 60 Hours
• Volts Required: 120 Volts
• Power Source: Electric
• Battery: No Battery Used