Description: A rainwater collection item. Rainwater Hopper Box. This item collect rainwater from a roof or rooftop terrace with downpipe conection and overflow duct as an option. Made from galvanized and pre-coated steel sheet from 0.6mm to 1mm thick ; and galvanized steel shette with post. Rainwater hopper box details with overflow duct. · Overflow duct. Design to release water excess ona rooftop terrace o flatroof. Installed rainwater hopper box. Made from galvanized and pre-coated steel sheet from 0.6 to 1mm thick. Pol. Ind. Las Quemadas - C/ Imprenta Alborada, parcela 226 - 14014 Córdoba Spain Tél. 957 326 342 Fax. 957 326 438 www.transformadosd