Abstract: A cartridge for preparation of a beverage is provided which is sealed prior to use and contains one or more beverage ingredients. The cartridge comprises: a body defining a beverage ingredient chamber containing the one or more beverage ingredients; a first filter defining an exit from the beverage ingredient chamber; a second filter downstream of, and spaced apart from, the first filter; and a flow constriction downstream of the second filter, such that in use beverage produced from the one or more beverage ingredients passes, in order, through the first filter, the second filter and the flow constriction.