BASE AND LID: Made out of GG-20 pearlitic cast iron. The base weighs 30 Kg and the lid weighs 13 Kg. The 3 anchorage bolts are M-16 zinc-coated steel, 410 mm in length. DIFFUSOR: 30 mm thick molded methacrylate. ELECTRIC ASSEMBLY: In L-2560 cast aluminium. NUTS AND BOLTS: In A4 stainless steel.
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