This is a great starter mash tun, Ideal for making 5-10 gallon all grain batches of beer.  Includes a 12" diameter stainless steel false bottom, 12 gallon bucket and solid lid, 4 ft of hose and a plastic ball valve.  Extract efficiency is approximately 75%, and you can make a 5-10 gallon batch of beer up to around 1.085 original gravity! Heat loss is small, but you may wish to wrap some foam insulation around this mash tun to minimize heat loss.