Fit Model: For iRobot Braava 308t/380/321/320/4200/5200C/5200/4205 and other models. Instructions:: 1. Remove the deep cleaning pad 2. Add water to the storage tank, tightly closed lid 3. Place a clean cloth wet paved, the deep cleaning pads put up,Then the cleaning cloth attached to the edge of deep cleaning pad,be careful not to block the intermediate channel 4. Deep cleaning pad is mounted on the robot back wipe Package includes: 12 x Microfiber Mopping Cloths Contact Us: I-clean? is a Professional vacuum cleaner accessories vendors, not only have a Professional manufacturer, as well as a Professional team. Any problems, we will resolve for you within two business days. Kindly note: This is not an iRobotOriginal product and is not covered under any iRobot warranty. The iRobot brand name and logo are the registered trademark of the respective owner. Any use of the iRobotbrand name, model or part designation for this product is made solely for purposes of demonstrating compatibility.