Savio Compact Skimmerfilter Base Unit, Ponds up to
http://www.amazon.com/dp/B000P6EGOU?tag=takingchances-21-20
Feature
* Two faceplate assemblies (sold separately) are available to accommodate a variety of pump sizes.
* Rugged leaf basket stays secure and won't collapse
* Complete filtration for ponds up to 700 gallons
* Combines four types of filtration for optimal water quality: skimming, mechanical, biological, and UV

http://www.amazon.com/dp/B000P6EGOU?tag=takingchances-21-20