Accessory - A submersible cooler for making home-made craft beer beer, 21.5cm diameter hollow spiral of the Klarstein Chiller with 18 cooling loops, hollow spiral is connected by hose to a faucet or a cooling circuit and dipped into the hot mash and then, it can quickly cool the mash down to ensure a quality beer, prevents the appearance of unwanted microbes in your brew, also helps to separate any unwanted components from your future beer, 50 litres of boiling mash can be cooled to room temperature in just about 30 minutes