An infusion extractor is provided including a plunger to be inserted into an infusing container containing the infusion mixture that has vertical inner walls oriented parallel to a vertical axis of the container. Also provided herein are vectors and host cells comprising those nucleic acid sequences, chimeric polypeptide molecules comprising the polypeptides of the present invention fused to heterologous polypeptide sequences, antibodies which bind to the polypeptides of the present invention and to methods for producing the polypeptides of the present invention. The ballast can also receive commands from other ballasts or a master control on the serial digital communication link, such as a DALI protocol link. The sheet of corrugated material has a multiplicity of perforations. The present invention provides a low-cost dehydration apparatus universally applicable to both terrestrial and off-shore NG exploitation.