599279 A nebuliser (1), in particular an inhaler, for a liquid having a pre-installed container. The nebuliser (1) has an insertable container (3) containing the liquid, the container (3) comprising a fluid outlet (24) for the liquid, the fluid outlet (24) being closed by a first closure (25) in a delivery state of the nebuliser (1). The container (3) is already disposed in the nebuliser (1) in the delivery state, the nebuliser (1) comprising a conveying element for conveying the liquid from the container (3) to the nebuliser (1). The nebuliser (1) is constructed so that the first closure (25) and, thus, the fluid outlet (24) are opened inside the nebuliser (1) before or during first use of the nebuliser (1) by insertion of the conveying element. The conveying element is already partly inserted into the container (3) in the delivery state without opening the first closure (25).