Product Information Zojirushi ZOJIRUSHI EE-DC35-HA Humidifier Long-lasting humidification type 3.0L Steam type, no filter needed Easy to clean, Gray Power cord and instruction manual included Purchased in 2021 Used for 2 seasons Condition Working confirmed Citric acid cleaning button malfunction (citric acid cleaning possible in normal mode) Lime scale stains inside. Please purchase if you understand that this is a used item.