Usage Tips:[Compatible Model]This product is fully compatible with for Shark Vacuum Cleaner models including IW3511/ IW1111. Please confirm that your machine model matches one of our compatible products before purchasing. [Great value combo set]Keep your home clean and comfortable with our comprehensive cleaning combo set that includes 2 Hand Vac Pre-Motor Filters, 2 Hand Vac HEPA Filters, 2 Dock Pre-Motor Filter Assemblies, 2 Dock HEPA Filter Assemblies, 2 odor neutralizer cartridges, and 1 Cleaning Brush. [Washable & Reusable]Maximize cost-efficiency by rinsing our filters thoroughly with clean water, allowing them to dry thoroughly, and reusing them. For peak performance, we recommend replacing the filter set every 1-3 months to help extend the lifespan of your vacuum cleaner. In addition, the odor neutralizer cartridge is not washable, and it is recommended to replace the scent neutralizer every 1-3 months when the scent fades. 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 black filter elements 2x black filter cottons 2x aromatherapy diffusers 2x curved filters 2set x filter cottons 2x high-efficiency 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.