Usage Tips:FITS MODEL: -HA 50, Compatible with S4, S5, S6, S8, S8000, S8999, S6000, S6999, S5000, S5999, S4000, S4999, Complete C2, Complete C3, Compact C1, Compact C2. DO NOT WORK with Classic C1 model !! Filters maintain vacuum cleaner performance while reducing the ingress of dust into the air you breathe.he filter holds out 99.5% of particles over 0.0003mm in size from the exhaust air.Excellent for allergy sufferers. Washable and Reusable: Filter replacements for only needs to be rinsed with water and allowed to air-dry completely before it can be used again. Help you save unnecessary expenses. vacuum filter is consistent with the vacuum cleaner, which is easy to install and disassemble. Effect: High efficiency particulate and double-layer filter catch the particles more efficiently,offer you a clean and fresh 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 best to replace the spare parts every 2 to 3 months to keep the machine running at performance. Material:plastic colour:As Shown Package Contents: 5 x HEPA 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.