Narwal Robot Vacuum and Mop Narwal is a relative newcomer in the robotic vacuum market. It's a sweeping/mopping hybrid that's quite impressive. However, it's expensive and hobbled by a clunky application with a steep learning curve. To mop, you drop an ointment sheet into the base station's water tank that https://best-budget-robot-vacuum52314.frewwebs.com/28228072/your-family-will-be-thankful-for-getting-this-best-rated-robot-vacuum