Narwal Robot Vacuum and Mop Narwal is an relative newcomer to the robotic vacuum market. It offers a sweeping/mopping hybrid that's pretty impressive. It's expensive and hindered by a cumbersome, slow learning-curve app. Drop a sheet of soap into the tank for clean water at the base station to mop. https://vacuum-robot51899.blogtov.com/8143935/the-lesser-known-benefits-of-best-rated-robot-vacuum