Narwal Robot Vacuum and Mop Narwal is a relative newcomer in the robot vacuum market. It's a sweeper/mopping hybrid that is pretty impressive. But it's also expensive and is hampered by a clunky application with a steep learning curve. To mop, you place an ointment sheet into the base station's https://vacuummoprobotcleaner18240.dm-blog.com/27756294/the-little-known-benefits-of-best-rated-robot-vacuum