| 摘要 |
A filter apparatus (10) having an upstream first filter grate (17) to which stormwater is delivered so that litter is filtered therefrom. Litter is delivered to a first litter collection surface (20). Extending upwardly from the surface (20) is a filter wall (22) having a filter portion (31) through which the stormwater again passes to filter litter therefrom. A second filter grate (24) extends from an upper portion of the wall (22), the second grate (24) leading to a second litter collection surface (26).
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