for iRobot Roomba 700 Series 760 770 780 790 Robot Sweeping Accessories_x000D_ _x000D_ Product Description: This product is not new (about 90% new), it has been strictly tested before shipment and is normal!_x000D_ _x000D_ Before placing an order,be sure to confirm that your device models, the relevant fit model mentioned on this product page, you can check the specific product model number on the nameplate at the bottom of your device (many machine have extremely similar names, so you need to distinguish by the specific model number), if you are requesting a refund due to your purchase of the wrong product,you will be responsible for the return shipping costs._x000D_ _x000D_ 1,These are not the Genuine /Original products,what we sell are brand Compatible Replacement Products._x000D_ _x000D_ 2,Package include all kits show in pictures which option you selected above._x000D_ _x000D_ 3,If package lost or broken in transit ,we will refund money to you,you should contact us ASAP._x000D_ We will help you to resolve the problem._x000D_ _x000D_ 4,Please give us the opportunity to resolve any problem.We understand the unhappiness you might have if the order go wrong,but we will try our best to give you the satisfying results.