Quickie HomePro Tub and Tile Wizard Refill with Microban Treated with microban product protection built into the scrub pad Fights odor-causing bacteria, mold and mildew Fights odor-causing bacteria, mold and mildew Aggressive scrub pad tough on stains and dirt but won't scratch surfaces Fits Quickie model number 319MB Treated with microban antimicrobial product protection built into the scrub pad Fights odor-causing bacteria, mold and mildew Aggressive scrub pad tough on stains and dirt but won't scratch surfaces Suitable for all bathroom surfaces Fits Quickie model number 319MB