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. All the parts are made of high-strength and environmentally friendly materials. it's easy to remove dirt, dust, and trash in corners and edges from the accessories, especially human hair and pet's hair. Accessories parts are durable and easy to install Product Name:For Dyson V11 Hepa Filter Compatible For Dyson V11 Cyclone Animal For Dyson V11 Torque Drive For Dyson V15 Detect For Dyson SV14 It's not fit for Dyson V12, please check your model carefully before buying! color:Purple / Green Material:plastic Package Contents: 1 x vacuum 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.