This heat insulation jacket is designed to be used with the Grainfather to keep heat contained in the boiler and maintain a constant temperature during your brew during cooler times of the year.

• Material -SBR Foam (11mm thickness).
• Designed for the Grainfather for heat insulation, especially in colder temperature areas.
• Easy to wipe clean, polyurethane outer layer, and machine washable.

FREE shipping store wide on all orders over $100 and combined purchases over $100. FREE shipping does not apply to rural addresses, Waiheke Island, Great Barrier Island and the Chatham Islands.