A coffin equipped with a device for cooling and purifying the inside of a coffin, comprises at least one inlet point inside the coffin (1) of cold air, a in-feeding network inside the coffin (20) of the cold air connected to the inlet point inside the coffin (1), at least one outlet point of the air (3) from the coffin, the in-feeding network inside the coffin (20) consisting of first sections of communicating ducts provided with a plurality of openings approximately at a level at the base (B) of the coffin (4).A evacuation network inside the coffin (30) of the air consists of second sections of communicating ducts provided with a plurality of openings approximately at a level at the upper edge (T) of the coffin (5), the air inside the coffin passing throughout the plurality of the openings (4) up to the base (B), to the plurality of the openings (5) at the upper edge (T).
