Your beer will remain clean and delicious with the 5 Litre Pressurized Cleaning Kit - D System (M5-801147-CK) on the job. This kit is an American D system that clears beer lines for party pumps, short-distance commercial systems, or home kegerators. To keep your beer tasting great it reliably removes bacteria, molds, yeast, and beer stone from beer lines, faucet, and keg coupler. In the package you’ll find everything you need with cleaning bottle, Clean Flo detergent, brush, and hand tool included. Reliable: This kit is an American D system that clears beer lines for party pumps, short-distance commercial systems, or home kegerators. Sanitary: It reliably removes bacteria, molds, yeast, and beer stone from beer lines, faucet, and keg coupler. Convenient: This package includes everything necessary for cleaning.