Great little diffuser!
I've tried many diffusers...some leak, some are noisy, some are too bulky, some are just plain ugly. But, this one is perfect. I have it on my night stand, and don't hear any gurgling, and it is narrow instead of a ball shape, so it doesn't take up a lot of space on my table. It uses all the water to the LAST drop, and turns off. It lasts all night long for me...about 8 hours. Easy to refill, and distributes the oils in a very fine mist. Love it!