A kit of parts for dispensing a liquid contained in a container is disclosed. The kit includes a pressure driven dispensing appliance. The pressure driven dispensing appliance has a device for receiving a container containing a liquid to be dispensed. The appliance also has a device for dispensing the liquid from the container, when mounted in the appliance, a chamber containing a solid adsorbent suitable for adsorbing air, and a device for fluidly connecting the chamber with the interior of the container, when mounted in the appliance. An air compressor releasibly connectable to the chamber is also included.