Includes Dura-Drive 3/4 HP induction motor, 12 cu. in. EPS insulation for sound reduction, tough galvanized steel shredder ring, 26 oz. grind chamber capacity with stainless steel lugs and sink flange. Plastic sink stopper. Self-service wrench frees simple jams. Has Quick Lock system for fast, easy installation. 4 year in-home service warranty. Formerly Model B5XP.