Narwal is among the top players in the robot vacuum market, with its most advanced device to date due for launch on March 6. The $1,399.99 retail price reflects the prestige of the Narwal Freo X Ultra, but you have a window of opportunity to save over $300 on it right now. A limited number of coupons, available for $99, drop the price of the Freo X Ultra by $400.