Bubble King DeLuxe 200 external (includes skimmer pump, feed pump not included)
Base plate: 11.81" x 15.75"
For tanks from 185 - 400 gallons
1000 L/H air - 528 GPH Water
Total height : 29.53" 40 Watt/h

Red-Dragon Bubble-King - Skimmer

- - - - - after 3-years of development time - - - - - -
sensational low current consumption

Take a tour of the manufacture's website. The English translation is a little rough, but has a great slide show with lots of information on the skimmers.
http://english.royal-exclusiv.de/skimmer-Bubble-King.htm