What Is a V Wire Screen Mash Tun? A V-wire screen mash tun is a vessel used during the mashing and lautering stages of brewing, fitted with a wedge wire screen at the bottom. The screen is designed with V-shaped wires welded onto support rods, creating uniform slots that allow https://www.ubowedgewire.com/About/v-wire-screen-mash-tun-2308-1.htm