Narwal Robot Vacuum and Mop Narwal is a relative newcomer to the robot vacuum market. It's a sweeper/mopping hybrid that's quite impressive. It's expensive and hampered by a clunky, steeply learning-curve app. To mop, you place a detergent sheet into the base station's water tank that is clean. Then it https://floorvacuumrobot37475.blogprodesign.com/49651000/five-best-rated-robot-vacuum-lessons-from-the-professionals