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                        Module Underground Rain Water Collection System Leiyuan Rain water catchment system are prefabricated modular systems made of four small inner panels with plug pins, and four large plates with embedded plug holes. These box-shaped structures are joined to each other and sequentially settled. More 
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                        Rain Collection Systems Harvesting Module Rain Collection Systems Harvesting Module supersedes traditional gravel and pipe based systems by far. The system provides a void space ratio of over 95% compared to 30% in typical gravel and pipe based systems. More 




 
                     
                     
                    
