This super efficient immersion chiller is recommended for 5 to 15 gallon batches, and is made from 50 feet of 3/8 inch O.D. copper tubing that will easily cool your wort in minutes! With twice the copper of our standard 3/8 inch chiller, this unit provides faster cooling for larger batches. Vinyl Tubing and Garden Hose Adapter Included 12 feet of vinyl tubing allows you to chill your wort directly from the stove! This tubing comes shipped in one continuous piece allowing you to cut it to the desired length for your input & output hoses. High quality brass hose adapter are also included.