Quote Originally Posted by Brodholm View Post
What is the differences with the AC aquaero 4.00 USB - VF-Display And AC aquaero 4.00 USB - white/blue it is almost 50% more expensive.

(...) but I don't know that much about the aquastream XT. I cant find any infos on noise, connection size, pressure, flow etc. So wich one is the best pump?
The VFD Variant has a much more expensive display. The rest is identical. A VF Display has no backlight like a LCD because its pixels are self glowing. I'm pretty sure you have already seen hundrets of VF Displays in your life - in a super market at the cashpoint for example.

You also have the big advantage that you can create almost every color with filter-folis. Have a look here to get an better idea.

Also the VFD variant has a better contrast and angle of view.

Unfortunately I don't know any english reviews for the aquastream XT pump. You can grab some comparsion charts from an Italian review.