iRobot Roomba vacuum and mop machines are up to $420 off right now
Some of iRobot’s best robo-vacs are on sale. Wellbots has the ultra-premium Roomba Combo 10 Max + Autowash Dock for $420 off with Engadget’s code ENGDT420. Or, if you want a high-end model without spending quite as much, the Roomba j9+ and Roomba Combo j7+ are on sale for up to $320 off with these…