| abstract |
An auto-flushing drainage filter system including a drum filter fastened to the lowest bottom of a fishpond, cylindrical brushes fastened inside the drum filter to remove debris and impurities from the water passing through, a first water pump to pump water from the fishpond through a clean water recycling pipe via the drum filter for circulation and filtration, a second water pump to pump a sudden rush of water from the fishpond into a drain pipe through the drum filter for carrying debris and impurities away from the drum filter. |