The Grainfather Glycol Chiller GC4 is perfect for homebrewers who want precise control over their fermentation process. Whether you're cold crashing your wort or lagering, this chiller has got you covered. It can be used with the Grainfather Conical Fermenter to maintain the perfect temperature. With a 1.5 - gallon glycol tank, it's powerful enough to control up to 4 separate fermenters. The unit is 15 inches long, 17 inches wide, and 25 inches high, and operates at 300 W, 110 - 120 V, 60 Hz.