1. Brand new, high-quality materials, well made, durable and highly matched with the original equipment.2. Clean accessories enable your home robot to maintain optimal performance. As a part of routine maintenance, the accessories are easy to remove and replace. It also reduces the penetration of dust, pollen and other allergens into the you breathe.3. In order to achieve the best cleaning and filtering effect, the cleaning accessories should be replaced every 2-3 months according to the use frequency.4. Say goodbye to peculiar smell, which can help reduce the unpleasant smell of pets, smoke, cooking smoke and various household products and chemicals.Material: Plasticcolour: As shownPackage Contents:4 x Filter screen of purifierOnly 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.