Compatibility: Roller mop for iRobot Roomba Max 705 Combo/ 706 Combo/ Max 700 Series Combo Robot Vacuum. Please check your machine model before purchasing Effective Cleaning: The Max 705 combo Roller Mop extends for detailed edge & corner cleaning, and keep carpets dry and floors mess-free Microfiber Material: 706 Combo roller mop is made of high-quality microfiber material with super water absorption, which can effortlessly remove all kinds of stubborn stains and water stain, such as oil, juice stain and so on Washable & Reusable: 705 Combo mop roller is washable and reusable, just wash it with clean water and let it dry naturally next using. It is recommended to replace it every 3-4 months for optimal cleaning of your robot vacuum, depending on your using frequency Easy Maintenance: The roller mop is easy to replace and install, just remove the old roller mop and install new one, no extra tools need. 4 pack roller mop can meet your daily replacement needs