A fragrance dispenser, in particular for a heating, ventilation, and air conditioning system, with a fragrance container with a connection opening and with a container cover with an air inlet channel and an air outlet channel, further, with a movable operating element, and a movable valve element by means of which the air inlet channel and the air outlet channel can be opened and closed, wherein the valve element can be actuated by the operating element, and wherein further a bypass channel can be controlled by the operating element.