1、Good Filtering: The filtering element can effectively filter out various particles, meanwhile ensuring stable water flowing for operation. 2、Ideal Matching: Suits perfectly for XV 11 XV 12 XV 14 XV 21, the robot vacuum water tank filter conforms to standard design, very reliable. 3、The ABS Material: Adopting premium ABS material, the filter is very durable, and plays an important part in building you a comfortable home. 4、12Pcs in Total: There are 12pcs vacuum water tank filtering element in the set, and the large quantity will meet your needs for replacement. 5、Easy to Install: Comes with a light weight and a compact size as well, the water tank filter is very convenient to install and replace.