1. Br new, high-quality materials, well-made, durable, highly matched with the equipment. 2. Clean accessories keep your home robot at . Accessory contents are easily removed replaced as part of routine maintenance. Also reduces the infiltration of dust, pollen other allergens into the air you breathe. 3. In order to achieve the best cleaning filtering effect, cleaning accessories should be replaced every 2-3 months according to the frequency of use. 4. can greatly improve the air quality reduce particle size up to 99.97%. Helps remove household dust, pet der, more. 5. Say goodbye to odors, the pre-filter can help reduce unpleasant odors from pets, smoke, cooking fumes, a of household products chemicals. Type:Vacuum cleaner accessories Colour:As Shown Material:plastic Package Contents: 6 filter Only the above package content, other products are not included. Note: Light reflection different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is and\/- 1-3cm.