Abus 21093 7603 door closer silver abus 21093 the abus 21093 7603 door closer silver is a door closer fitted to the top of the door that will solve the problem of a door that doesn t shut a door that bangs or a door that create a draught whether it s in public buildings or your own four walls the abus door closer is a convenient way of shutting doors safely and quietly the top fitting door closer is easy to install and suitable for almost any door size and design abus 21093 7603 door cl