AquaSkim Gravity Pond Surface Skimmer by Oase (UK) LtdKey Features Supplement in the entire filter system Adapts to water level changes Easy to maintain with easy to access coarse debris basket Characteristic The result is clearly improved water quality and viewing depth through direct suction removal of pollutants on the surface Base with large surface receptacle shell for rocks as ballast Easy maintenance with easily accessible coarse debris basket Debris basket can also be taken out from a distance