Concrete residues in truck mixer drums pose one of the biggest challenges in the everyday life of concrete plants. While fresh concrete has to be removed on a daily basis, hard deposits settle in the drum over time and can only be removed with great effort. Walter Gerätebau GmbH, a family-run company with over 50 years of experience in the manufacture of cleaning systems, offers an efficient and safe solution to precisely this problem - the Cleanjet 2-in-1.