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Fire grille
Product Description • Fire grille is designed for fireproof doors , it can meets the demand of ventilation in daily life and provide and excellent fire protection through rapid expansion by itself in a fire,thereby prevent passing fire and hot gases. • Suitable for fire resisting doorsets & compartment walls for up to 60 minute fire resistance. • Fire grille size: Minimum unit is 150mm*150mm, Horizontal and vertical overlapping,thickness 40mm . standard set is 1...
