General description New high-quality materials ensure that this Mop Holder for Ecovacs Deebot N9+ Robot Vacuum Cleaner is well-made, durable, and perfectly matched to the equipment. Clean accessories keep your home robot at peak performance, and the contents of the accessories are easily removed and replaced as part of routine maintenance. This product also helps prevent dust, pollen, and other allergens from entering the air you breathe. To achieve the best cleaning and filtering effect, it is recommended to replace the cleaning accessories every 2-3 months depending on the frequency of use. Additionally, pre-filters can help reduce unpleasant odors from pets, smoke, cooking fumes, and various household products and chemicals. Technical specifications Color: as shown Material: plastic Package Contents: 2 x Cleaning Modules, 2 x Nylon Stickers Measurement allowed error: +/- 1-3 cm