Narwal Robot Vacuum and Mop Narwal is a relative newcomer to the robot vacuum market. It's a sweeping/mopping hybrid that's quite impressive. However, it's expensive and hampered by a cumbersome application with a steep learning curve. To mop, you place an ointment sheet into the base station's water tank that https://robot-vacuum-cleaner-with19097.mpeblog.com/50790011/five-eufy-robot-vacuum-lessons-from-professionals