Converted 11.7 gallon Cooler Mash Tun with all Stainless Steel Bazooka Screen and 2 Piece Ball Valve. Fully converted cooler for use as a mash tun for all grain brewing. Insulated coolers are widely known for their ability to hold temperatures where you need it for the duration of the mash. Features a 6" Bazooka Screen and 2 piece ball valve for draining your wort.