The front motor filter is suitable for IW1615, IW1111, IW1120, IW1111C, IW1120C, IW3511, IW3120, IW3511AMZ, IW3615, IW3110C, IW3111C, IW3120C cordless handheld vacuum cleaners, please confirm the model before purchasing. The filters are washable and reusable. Can be rinsed under a stream of water to remove dirt from the . Make sure the filter is completely dry before use. For optimal performance, it is recommended to change this filter set once every 1-3 months. Easy Installation, take out the dust box of the vacuum cleaner, remove the old filter, and click the filter into place to complete the installation. Made of high quality materials, works together to help your IW3511 Detect Pro Cordless Stick Vacuum Cleaner and IW1111 Detect Pro Auto-Empty System Portable Handheld Attachment Vacuum Cleaner work better, and keep your room clean and comfortable. Please note: There are slight color differences or variations in kind. Does not affect the use, please do not mind, thank you! Colour:Photo Color Material:Plastic Package Contents: 3 x hand pre-motor HEPA filters 1x cleaning brush 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.