Increase efficiency and reduce excess condensation when fermenting at low temperatures (especially in hot climates), by providing your Grainfather Conical Fermenter with an optimal environment with this fully encasing, thermo-jacket. Features: Improves efficiency of the Grainfather Conical Fermenter cooling, in conjunction with the Grainfather Glycol Chiller. Maintain temperatures more consistently. Ergonomic design with access to all Grainfather Conical Fermenter components including Digital Controller and Dual Valve Tap. NOTE: Made to fit the Grainfather 3 L (8 US Gal) Conical Fermenter. Please check dimensions for fitment on other fermenters.