GROHE RAPID SL Frames for wall-hung sanitaryware. The Rapid SL system gives you the freedom to design your ultimate bathroom by providing a secure and quick method of installing wall-hung basins, bidets, urinals and WCs. Available in three different installation heights, each frame comes pre-assembled with sanitaryware fixings and is subject to stringent testing – our WC frames are tested to hold 400kg. GROHE FRESH Clean freshness at the push of a button. GROHE Fresh brings a new level of convenience to the bathroom.