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Type M according to NEN EN 1433. High-quality fibre-reinforced concrete C35/45. With 5mm cast iron edge protection. Equipped with cast iron mesh grating, opening 30/28mm with patented screwless long rod lock. Inlet cross-section 552 cm2/m. Internal width 100mm. External dimensions lxwxh=500x158/164x210mm. Kiwa certificate according to BRL 5070. Provided with CE marking. Weight 28kg.
