Waste King Legend Series Garbage Disposers On Sale For Today Only at Amazon! Posted on April 7, 2017 by Jeri Reply Update: Deal over. As a deal of the day, Amazon has Waste King Legend Series Garbage Disposers on sale! Waste King Legend Series 1/3 HP Continuous Feed Operation Garbage Disposer: $34.72 Waste King Legend Series 1/2 HP Continuous Feed Operation Garbage Disposal: $49.59 Waste King Legend Series 3/4 HP Continuous Feed Operation Garbage Disposer: $70.61