The iRobot Roomba Vac 2 just got its biggest-ever discount. Its cheaper than it was for Black Friday.

SAVE $170: As of Dec. 5, the iRobot Roomba Vac 2 is on sale for $229.99 at Amazon. That's a 43% saving on the list price.Opens in a new windowCredit: iRobotiRobot Roomba Vac 2$229.99 at Amazon $399.99 Save $170.00Get DealRoomba is one of the most recognizable names in the robot vacuum game, and that's for good reason. Its top-of-the-range vacuums are the perfect addition to any home, boasting a range of incredible functions and dirt-cleaning features. So it's no surprise that robot vacuums were