L 6820 verz - Coupler for fire-resistant duct 88x200mm L 6820 verz
EAN: 4012740194235 - manufacturer-number: L6820verz - Fire resistance class I - installation duct = 90, Outside height = 88 mm, Outside width = 200 mm, Inner height = 50 mm, Inner width = 109 mm, Useful cross section = 5450 mm², Number of flame durable sides = 4, Material insulating material = Mineral fibres, Sheathing = Steel, Surface protection = Continuously galvanized and coated, Colour = Other - L 6820 verz
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