Boneco U350 Ultrasonic Warm & Cool Mist Digital Humidifier, Top-Fill

The Boneco U350 ultrasonic humidifier features an easy-to-use, top-fill design and offers warm or cool mist humidification. The award winning U350 is perfect for humidifying spaces up to 650 square feet in size. Notable features include auto operation mode, auto cleaning mode, 3 performance levels and a user-friendly digital display. Manufacturer’s 3-year warranty and 60-day money-back guarantee.
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This product provides relief from: Sinus Trouble

The Boneco U350 ultrasonic humidifier provides warm or cool mist humidification in rooms up to 650 square feet in size. The U350 features an easy-to-use digital display with automatic dimming and an innovative top-fill design for easy, on-the-spot filling—this user-friendly humidifier received the Red Dot Design Award, an internationally-recognized quality label for excellence in design. The Boneco U350 ultrasonic warm and cool mist humidifier features an auto mode for worry-free humidification and a built-in humidistat that users can set to their desired level. Users can also choose between cool mist and warm mist, making the U350 perfect for year-round use. In addition, the U350 humidifier has a fragrance tray that is suitable for use with essential oils if you want to add fragrance to your space (oils optional and not included). The U350 humidifier comes with an A250 Aqua Pro filter that helps to reduce water hardness as well as purify the water to filter out harmful contaminants including lead, copper, mercury and odors. The award winning Boneco U350 ultrasonic humidifier is backed by a manufacturer’s 3-year warranty.


  • Ultrasonic, warm or cool mist humidification
  • Unique, top-fill design
  • Easy-to-use, touch-sensitive, digital display with auto dimming
  • Programmable hygrostat
  • 3 performance levels - Auto mode for fully-automated operation - Timer function - Automatic cleaning mode
  • 1.32-gallon water tank
  • Operation noise level less than 30 dB(A)
  • Corrosion-resistant membrane surface of titanium for long service life
  • Multi-directional, double-jet nozzle
  • Humidity output: 3.17 gallons per day
  • Helpful indicators: refill water, exchange water, replace A250 Aqua Pro and cleaning required
  • Fragrance container for use with fragrances and essential oils (not included)
  • Includes a 2-in-1 A250 Aqua Pro water filter
  • Manufacturer’s 3-year warranty

Specifications for the Boneco U350 Ultrasonic Warm & Cool Mist Digital Humidifier, Top-Fill :

Model Number: U350, 44896
Humidifying Mode: Warm/Cool Mist - Ultrasonic
Mist Delivery Method: Warm or Cool Mist delivered through the double-jet nozzle
Mist Outlet Location: Top of the humidifier
Recommend for: Living spaces or larger bedrooms
Main Voltage: 120V / 60Hz
Weight: 7.7 lbs
Power consumption: 47W; 132W when used with pre-heating
Dimensions: 6.49”w x 12.12”d x 12.79”h
Humidity Output: 3.17 gallons a day
Tank Capacity: 1.32 Gal.
Area Coverage: For rooms up to 650 square feet
Auto Shut Off: Yes
Low Water Indicator: Yes
Humidistat: Yes
Controls: Digital, touch-button display
LED indicators: Refill water, replace the filter, cleaning required
Color: White
Filters: A250 Aqua Pro
Warranty: Manufacturer’s 3-year warranty
The Boneco A250 Aqua Pro Filter can last up to 6 months. A water test strip is included with the A250 filter so users will have a better understanding of how long the filter will last based on their water hardness. Replace the A250 Aqua Pro filter every 6 months or less based on your water hardness.