Perfectly Fit - This replacement parts kit it for 500 Series 536 551 552 564 585 589 595 & 600 Series 610 614 618 620 650 651 660 680 690 695 (Not Compatible for 645 and 655)robotic cleaner. Preferential Design - 1 set -Free Debris Extractor + 4 pcs Filter + 4 Side Brushes with 2 bonus cleaning brush in one set help your always have one filter ready to be used. Just say goodbye to the days of worrying about the lack of additional filters to replace. Upgraded 99.98 % Filtering Capabilities - JUST Enjoy fresh air with your love ! Adopting two-in-one design with High efficiency particulate and double-layer filter to catch the particles, the premium Vacuum HEPA filters can capture floating dust Quality Above All Else - Made of latest high-strength & environmentally friendly materials, our 500 and 600 Series Replenishment Kit are designed to outlast our competitors on the market, truly improving the air quality of your home. Easy to Install & Clean - Free your hands from the complicated