Materials Moulded in SMC (fiberglass) - grey RAL 7040 color. Characteristics Interlocking door complete with cremone-type lock type accessible with security key with single cipher (cod. 21). Lower air intakes and attic for natural inside ventilation. External metal parts made of stainless steel or hot-dip galvanized steel according to standard CEI 7-6, electrically insulated from the inside. Protection degree IP 44 in compliance with CEI EN 60529, IK 10 according to CEI EN 62262.