General description New high-quality materials ensure that this mop holder is well-made, durable, and perfectly matched to the original equipment. Clean accessories keep your Ecovacs Deebot N9+ robot vacuum cleaner at peak performance, while also reducing the infiltration of dust, pollen, and other allergens into the air you breathe. The contents of the accessories are easily removed and replaced as part of routine maintenance. Technical specifications Material: Plastic Color: As shown Package Contents: 3 x Sweeper Mop Holder Measurement allowed error: +/- 1-3 cm Usage To achieve the best cleaning and filtering effect, the cleaning accessories should be replaced every 2-3 months depending on the frequency of use. The HEPA filter can greatly improve air quality and reduce particle size by up to 99.97%, helping to remove household dust, pet dander, and more. Additionally, the pre-filter can help reduce unpleasant odors from pets, smoke, cooking fumes, and various household products and