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BONECO S450 | High Capacity Digital Warm Mist Steam Humidifier

3.5 gallon per day output in areas up to 860 sq. ft. Warm mist steam humidifiers are the most hygienic way of air humidification.


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The S450 Digital Steam Humidifier provides Safe and Effective "Purified" Steam.

High Capacity, 3.5 gallon per day output, provides Warm Steam Mist in areas up to 860 sq. ft. 

The BONECO (formerly Air-O-Swiss) S450 is a powerful steam humidifier system that operates by heating the water to the boiling point. Vaporized water from the unit then humidifies the room air. A hand-warm, child-proof steam is delivered providing a pleasant stream of warm, humidified air. A steam humidifier system is the most hygienic way of air humidification because heating the water to 212°F ensures a bacteria-free and mineral-free result. By using an Anti-Mineral pad, calcification in the vaporizer basin decreases making it easy to clean. Steam humidification has been around for a long time and is a very effective way of quickly humidifying indoor living space. The S450 provides safe and effective steam humidification with ClearMist technology. The ClearMist can be seen but more importantly it can be felt. Unlike traditional steam humidifiers, ClearMist is comfortably warm to the touch - not hot. The AOS-S450 is safe for all areas in your home, including areas where children and pets and present.

Features of the BONECO S450 Warm Mist Digital Steam Humidifier

  • No white dust due to the Anti-Mineral pads!
  • Touch Panel includes intelligent operation modes - AUTO and ECON Mode with adjustable hygrostat
  • Manual Mode with 3 Output levels
  • On and Off plus Timer
  • Automatic Display Dimmer
  • Fragrance container for use with aromatherapy
  • Decalcification mode for easy cleaning
  • Water level window
  • Empty and cleaning indicators
  • Anti-Mineral-Pad to collect lime in the water base
  • Flat tank shape for easy water filling
  • Low center gravity for stable placement on floor

Specifications of the S450 Steam Humidifier

Electrical 120V | 60Hz
Power Consumption 160-480W
Humidity Output Up to 3.5 gallon/24 hrs.
Coverage Up to 860 sq. ft.
Unit Dimensions 14"L x 9.5"W x 13.2"H
Weight (empty) 10 lbs.
Noise Level < 35 dB(A)
Accessories Included Anti-Mineral pads
Warranty 3 Year Limited