Clean Fairy Microfilter fit for Windsor Sensor Upright Vacuum Cleaner Style XP X Micro Hygiene Filter 1PCS Professional, commercial-grade Windsor Sensor micro filter with 5 layer micron filter Fits Windsor Sensor vacuum cleaners. Equal to Windsor 86005220 Sensor microfilter. Material: PP and non-woven microfilter cover Note that this is an aftermarket replacement vacuum cleaner filter manufactured by Clean Fairy. Any vacuum cleaner manufacturer brand name is used solely for the purpose of demonstrating compatibility