Koanhinn Filter Kit Suitable for 600 Series 620 630 650 660 670 690 Robot Vacuum Cleaner Accessories

REPLACEMENT PARTS: The replacement kit includes 3 filters and 3 side brushes, which are suitable for the 600 series. The pack is a cost effective spare parts guaranteed to fit the following models. Compatibility: compatible with 605, 606, 610, 615, 616, 620, 621, 625, 630, 631, 632, 639, 650, 651, 660, 670, 680, 681, 685, 695 robot vacuum cleaners. Installation: remove the old parts before installing the new spare parts. PART CHANGE: Change the parts needed when worn out. The filters should be cleaned once a week and changed every 2 3 months.