for Filters: This filters set is specially designed for the LSV-V201-WUS Cordless Stick Vacuum. Always use official filters to optimize product performance. 5-Stage to Decrease Pollution: A part of the vacuumand#39;s 5-stage filtration system, capture at least 99.9% of 0.3 um particles, releasing without secondhand pollution. Replaceable ; Washable: We recommend replacing the Pre-Motor Filters every 3 months and replacing the Post-Motor Filter every year (also depends on frequency of use). Simply follow manual instructions on how to wash the filters. Up to One Year of Use: This filters set includes 4 Pre-Motor Filters and 2 Post-Motor Filters, making it more affordable and convenient to purchase and replace. Colour:White & 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 the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.