ALWAYS CLEAN WITH FRESH WATER – The dual-tank system keeps clean and dirty water separate, so you’re always cleaning with fresh water and solution.FAST AND STREAK-FREE DRYING – With up to 90% water recovery rate, iFLOOR 2 Complete leaves your floors completely dry and streak-free in a matter of minutes.SELF-PROPULSION SYSTEM FOR EASY MANEUVERABILITY – With a self-propelled design that helps you to move freely, the lightweight iFLOOR 2 Complete can go anywhere, and clean any mess.SELF CLEANING, EASY MAINTENANCE – Never touch a dirty roller again. The hands-free self-cleaning function automatically flushes the inner tubing and brush roller, for fast, mess-free maintenance.In order to maintain the stability, please follow the instructions and operation video to clean the filter and HEPA once a month.