High-quality materials: Our filters are made of high-strength materials, ensuring durability and . Suitable model: Compatible For IW3511 Detect Pro, Cordless Stick Vacuum Cleaning Replacement Parts Filter Cartridges, Filter Cotton. Filter kits: accessories to help your vacuum cleaner work better and keep your room clean and comfortable. Washable: Foam filters and Hepa filters are reusable, just wash them with water and dry them completely before use. : Odor filter, suitable for fresh homes, it is recommended to change filter every 1-3 months depending on frequency of use. Type:Vacuum Cleaner Accessories Colour:As Shown Material:Plastic Package Contents: 2 * Black Filter Cartridges 2 * black filter cotton 4 * Aroma Diffuser 2 * Curved filters 4 Sets * Filter Cotton Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.