Filter Replacement Kit for Shark IW3511 Detect Pro Cordless Vacuum, Compatible with IW3511 Model Compatible with for Shark IW3511. Please note check vacuums in size, model before order.<br> Great value combo set to keep your room clean and comfortable.<br> Washable & Reusable. Rinse with clean water and let it completelyair dry before reusing filter. For optimal performance, it is recommended to change this filter set once every 1-3 months.<br> Easy to Replace and Install, When it needs to be replaced, just remove and replace from your machine equipment, no tools required.<br> Please note; the physical slightly color difference or difference, does not affect the use, please do not mind, thank you!<br> Material: plastic<br> colour: As Shown<br> Package Contents:<br> 2 x Black filter elements<br> 2 x black filter cotton<br> 2 x aromatherapy<br> 2 x curved filters<br> 2 sets filter cotton<br> 2 x high efficiency filters<br> Only the above package content, other products are not included.<br> 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.