Fit Model: Compatible with Shark IZ662H IZ640H IZ631H WZ531H IZ682H Vertex Pro Lightweight Stick Vacuum Not-Fit Model: Not-Fit-For Shark 163 Series, 162 Series, Not-Fit-For IZ163H, IZ362H, IZ363HT, IZ440H, IZ462H, IZ482H, IZ483H, IZ361H, IZ441HBRN Vacuum Cleaner. Not-Fit-For Shark 1X140 Series like IX140, IX141, IX142, IZ140, IZ140C, IZ141C, IZ142, UZ145 Vacuum Cleaner, please check the model number before you order. Contains: 2 Pack HEPA Filters and 6 Pack Pre-Motor Foam & Felt Filter Kit. Part XHFIZ500 & XFFKIZ600. Filter Advantage: Premium vacuum filters with H13 efficiency to trap 99.97% of particles as small as 0.3 microns in size. Washable & Reusable: Just rinse the filters in water and let it dry by natural. Easy to install and replace. Recommend replace the filter every 2-4 weeks depend using situation. Fit Model: Compatible with Shark IZ662H IZ640H WZ531H IZ631H IZ682H Vertex Pro Lightweight Stick Vacuum