Quick Serve Plastic Tap — 12mm Replacement Brewing Tap The Quick Serve Plastic Tap (12mm) is a standard-fit brewing tap compatible with most home brew fermentation bins, wine fermenters, and 2-gallon barrels with a 12mm tap hole. It's the perfect replacement if your existing tap becomes stiff, damaged, or starts to leak — a quick swap and you're back in business. The simple quarter-turn mechanism makes it easy to control flow when racking, bottling, or dispensing directly from the vessel. Features Size: 12mm fitting Material: Food-grade plastic Quarter-turn on/off operation Fits standard brewing bins and 2-gallon barrels Works with our 25 Litre Fermentation Vessel and most standard home brew fermenters. For a pressure barrel tap, see the King Keg.