1. new, high-quality materials, well-made, durable, and highly matched with the equipment. 2.Clean accessories keep your home robot at peak performance. Accessory contents are easily removed and replaced as part of routine maintenance. Also reduces the infiltration of dust, pollen and other allergens into the air you breathe. 3.In order to achieve the best cleaning and filtering effect, cleaning accessories should be replaced every 2-3 months according to the frequency of use. 4.The HEPA filter can greatly improve the air quality and reduce particle size up to 99.97%. Helps remove household dust, pet dander, and more. 5.Say goodbye to odors, the pre-filter can help reduce unpleasant odors from pets, smoke, cooking fumes, and a variety of household products and chemicals. Type:Sweeper Accessories Quantity:2 PCS/1 PCS Colour:As Shown Material:plastic Package Contents: 2 * filter / 1 * filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 189 hours.