The new suction hose: smooth, elastic, conical - with smooth outer skin for significantly improved handling, longer service life, higher suction performance. The new CLEANTEC suction sleeve ensures a secure fit on the tool - you decide when the connection is released, not chance.the new suction hose: smooth, elastic, conical - with smooth outer skin for significantly improved handling, longer service life, higher suction performance. The new CLEANTEC suction sleeve ensures a secure fit on the tool - you decide when the connection is released, not chance.