for filters: This filter set is specially designed for the vacuum cleaner- without LSV-V201-WUS. Always use official filters to optimize product performance. 5 stages to reduce pollution: Part of the vacuum cleaner's 5-stage filtration system and 5-stage filtration system, captures at least 99.9% of 0.3um particles, releasing clean air without secondary pollution. Replaceable; Washable: We recommend replacing the pre-motor filters every 3 months and replacing the post-motor filter annually (also depends on the frequency of use). Just follow the manual instructions to know how to wash the filters. Up to one year of use: This filter set includes 4 pre-motor filters and 2 post-motor filters, which makes it more and more convenient to buy and replace. Color: White and black Material: Plastic Package Contents: 4x Pre-filter 2x Rear filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a