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  • SPT SU-3750 Ultrasonic Penguin-Shaped Humidifier
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SPT SU-3750 Ultrasonic Penguin-Shaped Humidifier

106 customer reviews
| 5 answered questions

List Price: $41.00
Price: $32.98 & FREE Shipping on orders over $35. Details
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  • Adorable penguin-shaped humidifier with ultrasonic (no heat) humidity
  • Designed for rooms up to 450 square feet; adjustable mist intensity
  • 1-gallon tank capacity; humidity output of up to 7-1/2 liters per day
  • Silent operation; no-slip feet; auto shut-off protection; ETL approved
  • Measures 10 by 11 by 10-1/4 inches; 1-year limited warranty
36 new from $19.92 1 used from $25.49

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$32.98 & FREE Shipping on orders over $35. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

Frequently Bought Together

SPT SU-3750 Ultrasonic Penguin-Shaped Humidifier + SPT Polar Bear Ultrasonic Humidifier + SPT SU-3751 Ultrasonic Pig-Shaped Humidifier
Price for all three: $81.07

Buy the selected items together

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  • Buy Used and Save: Buy a Used "SPT SU-3750 Ultrasonic Penguin-Shaped Humidifier" and save 37% off the $41.00 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

Product Description

Help your little ones breathe easier by adding moisture to the air with our adorable Penguin-shaped humidifier. Provides year-round relief from the drying effects of AC and Heater. Features super-quiet operation, 1-gallon tank capacity and auto shut-off protection (with no audible alarm) - the perfect addition to any child's room.

Product Details

USER MANUAL [PDF]
  • Product Dimensions: 12 x 14 x 11.5 inches ; 6 pounds
  • Shipping Weight: 5.3 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • Origin: USA
  • Shipping Advisory: This item must be shipped separately from other items in your order. Additional shipping charges will not apply.
  • ASIN: B000O3LFPC
  • Item model number: SU-3750
  • Average Customer Review: 3.2 out of 5 stars  See all reviews (106 customer reviews)
  • Amazon Best Sellers Rank: #275,006 in Home & Kitchen (See Top 100 in Home & Kitchen)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

52 of 54 people found the following review helpful By M. Burke on January 14, 2009
Verified Purchase
I went looking for an affordable ultrasonic humidifier because I was tired of noisy fans and the other problems associated with evaporative machines. After a lot of research, I decided to try this one, partly because of its simplicity and partly because of pricing (i.e. not a disaster if it didn't work out). I was a little dubious about the small reservoir size, but it's not a problem at all. To keep a rather large room at ca. 35% in the dead of winter in MN (very dry subzero weather), one fill will last a bit over 24 hours, and of course longer than that in less extreme conditions. It's perfectly simple to fill and clean, and wonderfully quiet--just a steady hum that I barely notice, with occasional little glurps.
So far I've only seen a little white dust on the device itself, but not on nearby surfaces. The vapor seems to circulate best (i.e. up and out into the room) when it's placed well off the floor. On a 30" shelf, the vapor tended to flow downward, so I used a milk crate to raise it up a bit more, and that solved the problem. The only issue I've had with it so far was a fairly strong plastic/chemical smell at the beginning, but that's been diminishing with use. It's a great improvement over any of my previous humidifiers.
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20 of 20 people found the following review helpful By Lucy Jane on January 31, 2011
Verified Purchase
This is an excellent product. We own three and have used them for two years now. We even take one with us when we travel. Some of the common problems people have mentioned with this humidifier are easily solved if the unit is used correctly. For problems with the unit running for hours without the water level dropping, you have not properly seated the tank on the base. You need to be sure the white valve inside the tank pops up when the tank is placed on the base. If it is not properly seated the water will not enter the base, thus no mist.

Next, for problems with the mist sinking to the ground, we had this problem before I realized what was happening. I had one unit placed on a thin fabric placemat thinking to protect the wooden nightstand. This only caused a problem. The unit needs to be placed on a completely flat, solid surface, not fabric of any kind. Try it - place the unit on a fabric surface and watch the mist fall. Then place it on a solid surface and the mist rises beautifully. I was making a problem where there wasn't one. Without the fabric the unit performed beautifully and the mist has never damaged the beautiful cherrywood surface. With the fabric underneath, the mist sunk and soaked said fabric, causing problems unnecessarily.

Lastly, as to the comments about unit running, all put together properly, but no mist, we also had that issue. This was due to the base of the unit getting overfilled. Not sure how we managed that, because if you seat the tank on the base properly, only the right amount of water passes through. Easily solved, however. I dumped the water from the base, and put the filled tank back on and voila! Misting perfectly again.

This product is super easy to fill, inexpensive, requires no filters, and works GREAT.
Read more ›
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19 of 19 people found the following review helpful By T. Le on February 16, 2010
Verified Purchase
I like to make it short
Pro
1) Quiet
2) put out just right amount of mist for my 20 x 16' bedroom
3) Cheap and good looking design
4) Filter-less - save money on filter

Con
1) White dust build up if using tap water - 2 days of using it
2) Expensive if using distilled water as recommended by manufacturer- $1/day - I used distilled water for 3 days and it is free of white dust

I ended up using filtered water after 5th day instead for cost saving, but I have to let it stand for 24 hours before I fill the tank up just to let the fluorine getting out. This works best me.
No more white dust, no more frequent trip to grocery store for distilled water, and best of it, no filter replacement but just my drinking water filter only
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14 of 14 people found the following review helpful By joan_smiths on January 31, 2009
Verified Purchase
I have been using this humidifier for several nights. It is so quiet that you barely know it is on. The mist is very fine and gentle. I have had no problem with leaking or condensation. I have always used distilled water in my humidifiers because we have very hard water in our area. So, I really have no need for an expensive filter. It is super easy to fill and use. Plus, it has the added bonus of being really cute! I also just ordered the pig shaped version for another room. SPT SU-3751 Ultrasonic Pig-Shaped Humidifier

I was looking for a very quiet humidifier for a bedroom. I had purchased a different brand (Hunter) humidifier because the box says that it is supposed to be "ultra-quiet." It has a much more forceful motor and puts out quite a bit of vapor, which may be useful in certain circumstances. But it sounds like a big truck motor compared to the quiet little penguin.
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12 of 13 people found the following review helpful By Lisa K. Vaeth on March 8, 2009
Verified Purchase
This humidifier came highly recommended from my mother, who bought one for sinus issues. I wanted to get one for the same reason, and because we have a wood stove, combined with forced hot air heat, all which can be incredibly drying.

My critieria was simple: no filter to deal with (been there, done that!) and no wet residue left behind. This fits the bill - the mist is cool and strong and it doesn't leave any wetness on your walls, floors, anywhere!

UPDATE- used to love it, stopped working. Guess things only last a few years now.
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SPT SU-3750 Ultrasonic Penguin-Shaped Humidifier
This item: SPT SU-3750 Ultrasonic Penguin-Shaped Humidifier
Price: $32.98
Ships from and sold by Amazon.com