With the SUPERPRO range of sponges, RUBI offers ceramic tile installers one of the most varied and comprehensive ranges on the market. SUPERPRO sponges are characterized by their quality and size, especially suited to facilitate the cleaning stages of ceramic tile installing jobs. The SUPERPRO sponge, made of flexible polyurethane, with polyether base, has an average level of absorption and is ideal for general cleaning of all surfaces, and is compatible with the use of acid-based cleaning products. .