Filters maintain vacuum cleaner performance while reducing the ingress of dust into the air you .he filter holds out 99.5% of particles over 0.0003mm in size from the exhaust air. for allergy sufferers.FITS MODEL: -HA 50, Compatible with for S4, S5, S6, S8, S8000, S8999, S6000, S6999, S5000, S5999, S4000, S4999, Complete C2, Complete C3, C1, C2. DO NOT WORK with Classic C1 model Washable and Reusable: Filter replacements for only needs to be rinsed with water and allowed to air-dry completely it can be used again. Help you save unnecessary expenses. vacuum filter is with the vacuum cleaner, which is easy to install and disassemble.Effect: High efficiency particulate and double-layer filter catch the invisible particles more efficiently, you a clean and air environment.The high-efficiency HEPA filter can effectively block dust, hair, debris, pollen, etc. ensuring indoor .Easy to remove and replace as part of routine maintenance.It is to replace the spare parts 2 to 3 months to keep the machine running at .Type: Vacuum cleaner filtercolor:As shownMaterial:plasticPackage Contents:4 x FilterOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.