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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 long-rod grating, opening 22/12mm with patented screwless long-rod lock. Inlet cross-section 524cm²/m. Internal width 200mm. External dimensions LxWxH=500x258/264x310mm. Kiwa certificate in accordance with BRL 5070. Provided with CE marking. Weight 55kg.
