Usage Tips:Compatible model: The vacuum cleaner filter set is compatible with Miele vacuum cleaners Compact C1, Compact C2, Complete C2, and Complete C3, as well as the S4000, S5000, S6000 & S8000 series. Alternative replacement: SF-HA 50 / SF-AH 50, SF-AP 50, SF-AA 50, SF-SA 50 / SA-SF 50 High-quality material: HEPA filters for Miele Complete C3 can trap dust and allergens of only 0.3 microns to remove things Made of the latest high-strength and environmentally friendly materials that can enhance your cleaning work. Good filter material can improve the machine's working efficiency and expand the absorption range, which helps increase the vacuum cleaner's absorption strength and absorb pet snacks, oil stagnation, fibers, hair, pollen, flying dust, and tiny particles. This makes your cleaning work more comfortable. Activated carbon filter: the back is made of high-quality activated carbon particles from coconut shells, which help absorb various odors and oily odors, especially odors from household pets, cat litter, and pet mats. It can not only clean carpets,but also help filter out carpet grease and odor spread. Washable and reusable: the installation of the Airclean plus 50 replacement filters for Miele vacuum cleaners is easy. We recommend that you wash the filter once a month and change the filter for Miele complete c3 every 3 months. To keep the inside of the vacuum cleaner clean and dust-free. Colour:As Shown Material:plastic Package Contents: 2 * Filter 4 pairs * filter cotton 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.