Buy the Narwal Freo Z Ultra for $647.99 ($852 off) Buy the Narwal Freo Pro for $398.99 ($301 off)These offers are available from Amazon. Keep in mind that you can only take advantage of this deal with a single robot vacuum. Narwal Freo Z UltraNarwal Freo Z Ultra Narwal Freo Z Ultra Powerful suction and nearly-total automation Continuing to innovate, the Narwal Freo Z Ultra adds a large vacuum bag to the self-cleaning base station, heated electrolyzed water, AI smarts, and quieter than ever operation. Narwal Freo ProNarwal Freo Pro Robot Vacuum and Mop Combo Narwal Freo Pro Robot Vacuum and Mop Combo LiDAR and more in a mid-range bot There are not many compromises in the Narwal Freo Pro to help bring the price down. The Narwal Freo Z Ultra is technically better than the Narwal Freo Pro, but honestly, not by much, and the savings might entice you to downgrade.