Electrim 75 Thermostatic Immersion Heater
Thermostatically controlled. Fitted with a standard demijohn rubber bung on the power cord so that the bung can be positioned depending on the size of the vessel. An airlock can be fitted to the bung. Suitable for 5 gallon wide neck fermenters or glass gallon jars but not plastic demijohns. To fit to a beer or wine fermenting bucket drill a 2.9cm diameter hole in the lid.