Overview The Chamber Temperature Regulator Fan is for use with Bambu Lab X1 Series 3D printer only. It is used to control the temperature and to help filter the air inside the chassis. Please do not put pressure on the impeller, and keep the fan away from the lead wire to avoid damage. Installation Learn more about the replacement of chamber temperature regulator fan for X1 Series on Bambu Lab Wiki In the Box - Chamber Temperature Regulator Fan Compatibility X1 Series Exclusive