Abstract: The ventilator exhalation gas condensate collection and drainage system includes an exhalation filter and a fluid collector vial. Exhalation breathing gas flows through the collector vial for collection of condensate from the exhalation breathing gas. The exhalation filter includes a locking ring that can be turned to secure or release the fluid collector vial. A drain port on the collector vial can be connected to a drain tube, or can be capped by a drain port cap. A clamp on the tube can be unclamped to drain liquid from the collector vial. The collector vial includes a maximum fill line, to indicate when the collector vial should be emptied.