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Type M according to NEN EN 1433. High-quality fiber-reinforced concrete C35/45. With 5mm cast iron edge protection and integrated sound-dampening inlay. Equipped with cast iron mesh grating, opening 28x26mm, screwed down with protective cap. Inlet cross-section 1964 cm²/m. Internal width 400mm. External dimensions LxWxH=1000x480/488x400mm. Kiwa certificate in accordance with BRL 5070. Provided with CE marking. Weight 245kg.
