Aquascape® Signature Series 1000 Pond SkimmerPond skimmers are designed to eliminate water quality problems and reduce maintenance by removing debris before it sinks to the bottom of the pond, allowing a pond to be installed anywhere, even beneath trees. Because the skimme removes debris before it reaches the pump, it acts as a pre filter, reducig pump maintenance and making pump access quick and easy. All pond skimmers include a limited lifetime warranty.