Mangrove Jack's Heater Belt 220-240V. (25W) A heater belt is designed to be secured around your fermenter to help keep it at the right temperature during fermentation. It is possible to regulate the heating of the liquid by adjusting the height of the belt around the fermenter. For more accurate temperature controller consider pairing this with the Rapt temperature controller which will monitor temperature and switch the belt on and off as required.
