Photo: Paul Rankin for Bob Vila We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Where to Buy A Much Sleeker Design The New Roller Mop Is a Big Upgrade Smart Navigation and Surprisingly Good Camera Features Where to Buy After spending a month testing the new Narwal Flow 2 Robot Vacuum and Mop ahead of its April 13 release, I can confidently say this is one of the most impressive robot cleaners I’ve used. I’ve tested quite a few robot vacuums over the years—including Narwal’s previous flagship, the Narwal Freo Z10 Ultra—and the Flow 2 feels like a clear step forward in both design and performance. I tested the Flow 2 in my home in Florida, running it almost daily on the entire first floor, which includes a carpeted bedroom, tiled floors everywhere else, a kitchen, and the high-traffic area near our patio door where my dog tracks in muddy paw prints. The setup was refreshingly simple.…