Tunze Nano wavebox 6206
 

Here is what the box says
Wave generator for fresh and marine aquariums from 150 to 600 liters (40 to 157 gallons controlled roles by wavecontorller 6091. Suitable for all reef biotoipes in particular

Sorry no pics as photo bucket won't work on my Iphone any more.
I have two of them iv used the with no problems on the lowest setting in a 25 gallon for about a year will even give a money back garentee I no they work that good.

200$ each or
300$ for both

On hold for now thanks