The present invention relates to a tub (10) configured to receive a volume of liquid for a humidifier, comprising at least one plastic component (12) and at least one metal component (14), which together form a space (16) for receiving said volume of liquid, wherein the at least one metal component (14) and the at least one plastic component (12) are attached to each other by means of a silicone seal (18). Furthermore, the invention relates to method for manufacturing a tub for a humidifier.