a filtration apparatus includes a filter element disposed at a 45 degree angle defining an upper chamber for solids and a lower chamber for liquid . a trough is disposed at the lower end of the filter element . the floor of the trough funnels toward a central drain and an overflow drain is located approximately 8 inches above the trough floor . the lower chamber is provided with a drain for recirculating water to a sprayer above the filter element and is also provided with an overflow drain approximately 8 inches above the floor .