1. Made of high quality material, durable2. Filters maintain the cleaning efficiency of the robot, reducing the ingress of dust, pollen and other allergens to the air. The accessories should be replaced every 2 to 3 months.3. All the parts are made of high-strength and environmentally friendly materials.4. It's easy to remove dirt, dust, and trash in corners and edges from the accessories, especially human hair and pet's hair.5. Accessories parts are durable and easy to installProduct Name:Washable Dustbin HEPA FilterCompatible: compatible with Roborock S7 T7S T7plus T7Spluscolour:WhiteMaterial:plasticsize:135 x 57mmPackage Contents:4 x hepa filtersOnly the above package content, other products are not included.Note: Light shooting 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.