Narwal Robot Vacuum and Mop A relative newcomer to the robot vacuum space, Narwal offers a sweeping and mopping combination that's impressive. It's also costly and is hampered by a clunky application with a steep learning curve. Drop a detergent sheet into the clean water tank at the base station https://robot-vacuum-cleaner92423.getblogs.net/60112360/what-is-best-rated-robot-vacuum-history-of-best-rated-robot-vacuum-in-10-milestones