Narwal Robot Vacuum and Mop Narwal is a relative newcomer to the market for robot vacuums. It's a sweeper/mopping hybrid that's quite impressive. It's expensive and hampered by a slow, clunky learning-curve application. To mop, you drop an ointment sheet into the base station's clean water tank. Then it uses https://best-robot-vacuum-and-mop40394.alltdesign.com/5-eufy-robot-vacuum-projects-for-every-budget-47613248