Compatible with Models:for Detect Pro Cordless Vacuum Cleaner IW3511, IW3511AMZ, IW1111, IW1111C, IW1120, IW1120C, IW3120, IW3120C, IW1000, IW3000, IW3110C, IW3111, IW3111C, IW3615, AMZIW3615, IW3615CCO, IW1615, IW1615QBL, IW1615QBR, IW1615QGN, IW1615QPR & IW1615QSL. The iw3511 filters for are washable and reusable without deformation occurs. You can rinse with clean water and let it completely air dry before reusing them. The iw3511 replacement filters for are easy to install and replace without any tools. In order keep your Detect Pro vacuum in good performance, it is recommended to replace the filters every 2-3 months. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Photo Color Material:Plastic Package Contents: 2x HEPA filters 2x foam filters 2x felt 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.