No bubbling - but bubbling!

Compared to my last two aquarium fans this is really a monster. He is no louder than my old and Bubbles lot more air through the "bubbler" - even twice!
With the Sprudlern this fan you will also not have the "Verklebeproblem", which one has after a short time in the air stones. In this fan the bubbler are a fabric layer which is provided above with a screw can squeeze. By this compression, the bubble size of small blisters to large bubbles can be adjusted.

The only "drawback" which is, however, shared by virtually all aquarium fans that accompany any feedback valves and these must be purchased separately.
I'm really excited about the performance of the device and recommend it with a clear conscience continue!