In addition to adding beauty to your FELIX upright, this Genuine SEBO Textile Microfilter teams with the fabric bag and pre-motor filter to provide extremely clean exhausted air that meets the stringent European S-Class filtration specification. It can be easily installed by unlatching and removing the retainer straps at the top and bottom of the microfilter.   For similar products see our list of SEBO Vacuum Supplies. Show Less