These replacement rollers are compatible with Karcher FC3 Cordless, FC3 Cordless Premium, FC5, FC5 Cordless, FC5 Cordless Premium, FC5 Premium, FC7 Cordless and FC7 Cordless Premium floor cleaners. The rollers for Karcher are 100% microfiber, highly absorbent and resistant, cleans your hard floors gently but effectively. These hair brush rollers allow you to vacuum dust, small residues and animal hair while controlling the water flow. Ideal for all hard floors such as parquet, laminate, cork, stone. The soft rollers are machine washable - rotate your rollers, take them out and put them in the roller machine. wash until it's done 60°C. Set of 4 replacement rollers for Karcher FC3 FC5 FC7. It is recommended to change your set of rollers every 3 weeks 6 months for optimal performance of your hard floor cleaner.