Anonymous5 years ago000How long does the full 2.5 l run? Can it go overnight? Like 12 hours?Alexander_BB5 years ago • purchased this product+110purchased this productyes, at least 12 hoursCommentAlexander_BB5 years ago • purchased this product000purchased this productI’ve tested it. It runs for more than 24 hours. It may depends on the level of the air humidity in the room.Comment