SPT SU-4010 Ultrasonic Dual-Mist Warm/Cool Humidifier – What We Liked
- Does what it says on the box!
- Small size allows it to fit conveniently into small spaces
- Tank is easier to fill than many other similar products
- Very quiet even on warm mist setting
- Adjustable output allows you to set it to the level you want
- No filters to change reduces maintenance time and cost
As we say in the headline, it does what it says on the box. Whatever setting or output level it performs flawlessly giving the finest mist or a thicker drizzle. It can humidify a good sized room for up to 12 hours or so with easy refilling in between. In our review we found it the best rated ultrasonic humidifier that money can buy.
SPT SU-4010 Ultrasonic Dual-Mist Warm/Cool Humidifier with Ion Exchange Filter – Find Out More or Buy
Product Feature Highlights
- Contains an inbuilt ion exchange filter
- Direction of output is adjustable through 360 degrees
- Bi-directional operation using two split nozzles
- 4 liter tank provides enough water for 12 hours
- Several useful accessories included such as cleaning brush
SPT SU-4010 Price
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SPT SU-4010 Dual-Mist Warm/Cool Humidifier Description and Review
We were impressed with the quality of this product and found it so quiet that you forgot it was there, even during the night. Running costs are very low because there is no need for filters that you need for non-ultrasonic humidifiers. It can be used for many applications from basic humidifying of dry rooms to helping with all sorts of illnesses and allergies ranging from dry skin through dry cough to nasal congestion and asthma. One of the beauties of the machine is that it can be set up to generate a warm or cool mist depending on what ailment you are treating or depending on the ambient temperature of the room you are running it in.
You might be wondering what the inbuilt ion exchange filter is used for? It treats and demineralizes the water in order to remove limescale from calcium and magnesium which is contained in hard water. This greatly improves the longevity of the product and reduces the amound of cleaning you need to do. A tremendous allround bonus.
Another great feature of this Sunpentown humidifier is the fact that it can be placed near the middle of a room and the dual nozzle output allows you to send the mist towards both ends of the room. The small unit comes with easy to use controls for setting the output level.
Mist Humidifiers SPT SU-4010 Rating: 
What You Get in the Box
- Instruction Manual
- Central Humidifier Body
- Water Tank
- Water Tank Lid with Dual Output Nozzle
SPT SU-4010 Specification
Rated Voltage 120V
Frequency 60Hz
Power 90W
Manufacturer and Model Number
Sunpentown
SU-4010



