General description This replacement roller set includes 4 yellow rollers designed specifically for Karcher FC7, FC5, FC3D, and FC3 cordless electric floor cleaners. It is essential to verify compatibility with your cleaner model before purchasing. Technical specifications Quantity: 4 pieces Color: Yellow Material: Lint-free, highly absorbent Washing temperature: Machine washable at 60°C without fabric softener Usage It is recommended to replace the rollers every 3 to 6 months to maintain optimal performance of your vacuum cleaner and enhance cleaning efficiency.