Grate Inlet Filter for catch basins is a filter system designed to capture fine to coarse sediments, floatable trash, debris and hydrocarbons conveyed in storm water runoff. It is constructed of 100% high-grade stainless steel. It also is available in four different model types: multi-level screening (MLS), Kraken type media filter, media filter model (using various types of filter media material), and full capture model which provides 100% removal of trash and debris.