Compatible with: Miele S5281 / S5981 / S5484 canister vacuum cleaners.HQRP filter can eliminate separate particles of Embryos, Tobacco smoke, Smoke of metal oxide, Swirl on th carrying particles, Carbon black, Oil smoke, Bacterium, Spore, Cement dust, Particles creating stain or dust sedimentation, Pollen, Fog, etc. This filter is HEPA filtration and retains 99.99% of particles down to 0.3 micron.